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40974977751642 = 232112915887449173
BaseRepresentation
bin10010101000100001110101…
…11111100101101001011010
312101002011120122120111222100
421110100322333211221122
520332313223301023032
6223051351145104230
711426226101146254
oct1124207277455132
9171064518514870
1040974977751642
11120684327a8470
124719285188076
1319b2c0183a18c
14a192b1626cd4
154b0cbe86897c
hex25443afe5a5a

40974977751642 has 96 divisors (see below), whose sum is σ = 100196130228480. Its totient is φ = 11987717938560.

The previous prime is 40974977751641. The next prime is 40974977751683. The reversal of 40974977751642 is 24615777947904.

40974977751642 is a `hidden beast` number, since 4 + 0 + 9 + 7 + 497 + 7 + 75 + 1 + 64 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (40974977751641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90998568 + ... + 91447740.

It is an arithmetic number, because the mean of its divisors is an integer number (1043709689880).

Almost surely, 240974977751642 is an apocalyptic number.

40974977751642 is an abundant number, since it is smaller than the sum of its proper divisors (59221152476838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40974977751642 is a wasteful number, since it uses less digits than its factorization.

40974977751642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465108 (or 465105 counting only the distinct ones).

The product of its (nonzero) digits is 746807040, while the sum is 72.

The spelling of 40974977751642 in words is "forty trillion, nine hundred seventy-four billion, nine hundred seventy-seven million, seven hundred fifty-one thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 29 33 58 66 87 99 174 198 261 319 522 638 957 1914 2871 5742 15887 31774 47661 95322 142983 174757 285966 349514 449173 460723 524271 898346 921446 1048542 1347519 1382169 1572813 2695038 2764338 3145626 4042557 4146507 4940903 5067953 8085114 8293014 9881806 10135906 13026017 14822709 15203859 26052034 29645418 30407718 39078051 44468127 45611577 78156102 88936254 91223154 117234153 143286187 234468306 286572374 429858561 859717122 1289575683 2579151366 7136011451 14272022902 21408034353 42816068706 64224103059 78496125961 128448206118 156992251922 206944332079 235488377883 413888664158 470976755766 620832996237 706465133649 1241665992474 1412930267298 1862498988711 2276387652869 3724997977422 4552775305738 6829162958607 13658325917214 20487488875821 40974977751642