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31340745504 = 253412091337
BaseRepresentation
bin11101001100000011…
…011101001100100000
32222220012010211110000
4131030003131030200
51003141212324004
622221524540000
72156436640605
oct351403351440
988805124400
1031340745504
1112323040a72
1260a7b51600
132c56098033
1417345346ac
15c366b6c39
hex74c0dd320

31340745504 has 60 divisors (see below), whose sum is σ = 92172269574. Its totient is φ = 10446914304.

The previous prime is 31340745481. The next prime is 31340745517. The reversal of 31340745504 is 40554704313.

31340745504 is a `hidden beast` number, since 3 + 1 + 34 + 0 + 74 + 550 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27842259600 + 3498485904 = 166860^2 + 59148^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6043077 + ... + 6048260.

Almost surely, 231340745504 is an apocalyptic number.

It is an amenable number.

31340745504 is an abundant number, since it is smaller than the sum of its proper divisors (60831524070).

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

31340745504 is a wasteful number, since it uses less digits than its factorization.

31340745504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12091359 (or 12091342 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 31340745504 in words is "thirty-one billion, three hundred forty million, seven hundred forty-five thousand, five hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 12091337 24182674 36274011 48365348 72548022 96730696 108822033 145096044 193461392 217644066 290192088 326466099 386922784 435288132 580384176 652932198 870576264 979398297 1160768352 1305864396 1741152528 1958796594 2611728792 3482305056 3917593188 5223457584 7835186376 10446915168 15670372752 31340745504