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31120795112 = 2311353645399
BaseRepresentation
bin11100111110111100…
…011010010111101000
32222022212021012020012
4130332330122113220
51002213410420422
622144030351052
72151126252041
oct347674322750
988285235205
1031120795112
111221a971a90
12604635b488
132c1c647084
14171323b8c8
15c2221b4e2
hex73ef1a5e8

31120795112 has 16 divisors (see below), whose sum is σ = 63656172000. Its totient is φ = 14145815920.

The previous prime is 31120795087. The next prime is 31120795133. The reversal of 31120795112 is 21159702113.

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, 176822612 + ... + 176822787.

It is an arithmetic number, because the mean of its divisors is an integer number (3978510750).

Almost surely, 231120795112 is an apocalyptic number.

It is an amenable number.

31120795112 is an abundant number, since it is smaller than the sum of its proper divisors (32535376888).

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

31120795112 is a wasteful number, since it uses less digits than its factorization.

31120795112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353645416 (or 353645412 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 32.

The spelling of 31120795112 in words is "thirty-one billion, one hundred twenty million, seven hundred ninety-five thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 353645399 707290798 1414581596 2829163192 3890099389 7780198778 15560397556 31120795112