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31373366432 = 253073193543
BaseRepresentation
bin11101001101111111…
…111001010010100000
32222222110112010221112
4131031333321102200
51003223040211212
622225052042452
72160314133422
oct351577712240
988873463845
1031373366432
111233a4a1611
1260b6a63428
132c5ca79c65
1417389c6812
15c394ac422
hex74dff94a0

31373366432 has 24 divisors (see below), whose sum is σ = 61967527776. Its totient is φ = 15635581632.

The previous prime is 31373366417. The next prime is 31373366503. The reversal of 31373366432 is 23466337313.

It is a self number, because there is not a number n which added to its sum of digits gives 31373366432.

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, 1586948 + ... + 1606595.

It is an arithmetic number, because the mean of its divisors is an integer number (2581980324).

Almost surely, 231373366432 is an apocalyptic number.

31373366432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31373366432 is a deficient number, since it is larger than the sum of its proper divisors (30594161344).

31373366432 is a wasteful number, since it uses less digits than its factorization.

31373366432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193860 (or 3193852 counting only the distinct ones).

The product of its digits is 489888, while the sum is 41.

The spelling of 31373366432 in words is "thirty-one billion, three hundred seventy-three million, three hundred sixty-six thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 307 614 1228 2456 4912 9824 3193543 6387086 12774172 25548344 51096688 102193376 980417701 1960835402 3921670804 7843341608 15686683216 31373366432