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31838600012 = 2225131711753
BaseRepresentation
bin11101101001101110…
…100111101101001100
310001011212221110102212
4131221232213231030
51010201140200022
622343151405552
72204663430512
oct355156475514
9101155843385
1031838600012
111255907247a
1262068238b8
13300527b6bb
1417806cc4b2
15c652593e2
hex769ba7b4c

31838600012 has 12 divisors (see below), whose sum is σ = 55939534056. Its totient is φ = 15855876000.

The previous prime is 31838599967. The next prime is 31838600033. The reversal of 31838600012 is 21000683813.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15854873 + ... + 15856880.

It is an arithmetic number, because the mean of its divisors is an integer number (4661627838).

Almost surely, 231838600012 is an apocalyptic number.

It is an amenable number.

31838600012 is a deficient number, since it is larger than the sum of its proper divisors (24100934044).

31838600012 is a wasteful number, since it uses less digits than its factorization.

31838600012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31712008 (or 31712006 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 31838600012 in words is "thirty-one billion, eight hundred thirty-eight million, six hundred thousand, twelve".

Divisors: 1 2 4 251 502 1004 31711753 63423506 126847012 7959650003 15919300006 31838600012