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31429904996 = 2271122496607
BaseRepresentation
bin11101010001010111…
…100100101001100100
310000010101220121021102
4131101113210221210
51003332023424441
622234431535232
72161601533040
oct352127445144
9100111817242
1031429904996
11123693a88a6
12611198a518
132c6b6b4529
141742303020
15c3e42969b
hex7515e4a64

31429904996 has 12 divisors (see below), whose sum is σ = 62859810048. Its totient is φ = 13469959272.

The previous prime is 31429904969. The next prime is 31429905011. The reversal of 31429904996 is 69940992413.

31429904996 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561248276 + ... + 561248331.

It is an arithmetic number, because the mean of its divisors is an integer number (5238317504).

Almost surely, 231429904996 is an apocalyptic number.

It is an amenable number.

31429904996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31429904996 is a wasteful number, since it uses less digits than its factorization.

31429904996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122496618 (or 1122496616 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 56.

The spelling of 31429904996 in words is "thirty-one billion, four hundred twenty-nine million, nine hundred four thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 28 1122496607 2244993214 4489986428 7857476249 15714952498 31429904996