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31830486764 = 2267118770473
BaseRepresentation
bin11101101001001111…
…101010111011101100
310001011022200021011012
4131221033222323230
51010142101034024
622342301444352
72204534446646
oct355117527354
9101138607135
1031830486764
111255453090a
126203b706b8
13300369a86b
14177d5b9896
15c646a550e
hex7693eaeec

31830486764 has 12 divisors (see below), whose sum is σ = 56534745624. Its totient is φ = 15677702304.

The previous prime is 31830486731. The next prime is 31830486893. The reversal of 31830486764 is 46768403813.

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, 59384969 + ... + 59385504.

It is an arithmetic number, because the mean of its divisors is an integer number (4711228802).

Almost surely, 231830486764 is an apocalyptic number.

It is an amenable number.

31830486764 is a deficient number, since it is larger than the sum of its proper divisors (24704258860).

31830486764 is a wasteful number, since it uses less digits than its factorization.

31830486764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118770544 (or 118770542 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 31830486764 in words is "thirty-one billion, eight hundred thirty million, four hundred eighty-six thousand, seven hundred sixty-four".

Divisors: 1 2 4 67 134 268 118770473 237540946 475081892 7957621691 15915243382 31830486764