Shulou(Shulou.com)06/03 Report--

Lesson 5 large integers in python language

Int in java can handle up to 2 ^ 31-1 (2147483647) minimum-2 ^ 31 (- 2147483647).

But in Java, you can use BigInteger to handle large wireless numbers.

Print(2 ** 60)结果为1152921504606846976print(2 ** 600)4149515568880992958512407863691161151012446232242436899995657329690652811412908146399707048947103794288197886611300789182395151075411775307886874834113963687061181803401509523685376In [7]: print(2 ** 6000) 1513470582304237072513410067329391955423482356622077508836389416646889306993564534635830817676552455824162236150182627025523267446014684388515185452610872385131925014977944482910893194864870039450549067298170721939711827195277899152348801107671644590882157659897905715342306574668169658354699728703352747795407934837779271083755217530954282733292552820320384388452736605849854097009866199175847289532126439677946323677218741195176031143605520246681993939075046911841617410627221987267713724332646446061053160572807286503464245558500643221584631072641658731573097806459864337910226647829569494284055229751599736619753728848188090692318773574702174698843299086831373062575703757942149263399264787530048897154373819381136097105118607145954825590031647682047062652157439770794084025717418220995063370720546665168546633747096935011148065108431975289654040627344874607009807315363771104716985869481861040739858883444667635709902593581610755376089941291884120821811227210157156298148402819214731929270895508821230096451968194267364284229325768503489509991935215231081649023894346868133110803328310541268950321043061542938876190012860779210104580276403692887034246086754314279566458942937081999323928294877166406222310453677892068557340540597459094762172544492440478876793960002924059634516299394201455941482615164498572903667144188855598846763146090065079005267746644237582086328585101060359200085939560982221139190410290320736471223679431103604473374855519720454278533708018865824147794661166033633485429613879963993123931400014731049432239676739743030689374442267266097857265402044759137688500162237085777842605048998997700656346545264515630042484382164065996643359816205614528690639187167278480340820347644352745397902032133004265874403392556745361780498817583655041048101434716704942594567023160800649072869376

/ / that's why python is especially suitable for scientific computing, because it can count a very large number of python, basically without considering the problem of overflow.

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