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21140033201874 = 233479967784457
BaseRepresentation
bin1001100111010000011000…
…01010110110011011010010
32202211222010021001122022000
410303220030022312123102
510232324241444424444
6112543332554054430
74311213505242456
oct463501412663322
982758107048260
1021140033201874
11681048a694134
1224550b641a416
13ba465bc97a32
1453127c496666
15269d7a1cb469
hex133a0c2b66d2

21140033201874 has 64 divisors (see below), whose sum is σ = 47081348582400. Its totient is φ = 7031156586624.

The previous prime is 21140033201867. The next prime is 21140033201879. The reversal of 21140033201874 is 47810233004112.

21140033201874 is a `hidden beast` number, since 2 + 1 + 140 + 0 + 332 + 0 + 187 + 4 = 666.

It is a super-2 number, since 2×211400332018742 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21140033201879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250263054 + ... + 250347510.

It is an arithmetic number, because the mean of its divisors is an integer number (735646071600).

Almost surely, 221140033201874 is an apocalyptic number.

21140033201874 is an abundant number, since it is smaller than the sum of its proper divisors (25941315380526).

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

21140033201874 is a wasteful number, since it uses less digits than its factorization.

21140033201874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94624 (or 94618 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Adding to 21140033201874 its reverse (47810233004112), we get a palindrome (68950266205986).

The spelling of 21140033201874 in words is "twenty-one trillion, one hundred forty billion, thirty-three million, two hundred one thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 479 958 1437 2874 4311 8622 9677 12933 19354 25866 29031 58062 84457 87093 168914 174186 253371 261279 506742 522558 760113 1520226 2280339 4560678 4635283 9270566 13905849 27811698 40454903 41717547 80909806 83435094 121364709 125152641 242729418 250305282 364094127 728188254 817290389 1092282381 1634580778 2184564762 2451871167 4903742334 7355613501 14711227002 22066840503 44133681006 391482096331 782964192662 1174446288993 2348892577986 3523338866979 7046677733958 10570016600937 21140033201874