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31162144604 = 227790536151
BaseRepresentation
bin11101000001011010…
…001001011101011100
32222102202001222001212
4131001122021131130
51002310002111404
622152104523552
72152140600353
oct350132113534
988382058055
1031162144604
1112241244518
1260581805b8
132c28093c26
14171892299a
15c25b8806e
hex74168975c

31162144604 has 6 divisors (see below), whose sum is σ = 54533753064. Its totient is φ = 15581072300.

The previous prime is 31162144603. The next prime is 31162144667. The reversal of 31162144604 is 40644126113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31162144603) by changing a digit.

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 as a sum of consecutive naturals, namely, 3895268072 + ... + 3895268079.

It is an arithmetic number, because the mean of its divisors is an integer number (9088958844).

Almost surely, 231162144604 is an apocalyptic number.

It is an amenable number.

31162144604 is a deficient number, since it is larger than the sum of its proper divisors (23371608460).

31162144604 is a wasteful number, since it uses less digits than its factorization.

31162144604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790536155 (or 7790536153 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 31162144604 in words is "thirty-one billion, one hundred sixty-two million, one hundred forty-four thousand, six hundred four".

Divisors: 1 2 4 7790536151 15581072302 31162144604