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57118564432 = 243617986981
BaseRepresentation
bin110101001100100010…
…000010000001010000
312110102200122201020101
4311030202002001100
51413434323030212
642123453022144
74061310533626
oct651442020120
9173380581211
1057118564432
1122250a38956
12b0a0a84954
1355037b9327
142a9bd11516
1517447ce157
hexd4c882050

57118564432 has 20 divisors (see below), whose sum is σ = 110697927156. Its totient is φ = 28551357440.

The previous prime is 57118564417. The next prime is 57118564463. The reversal of 57118564432 is 23446581175.

It can be written as a sum of positive squares in 2 ways, for example, as 26548140096 + 30570424336 = 162936^2 + 174844^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435619 + ... + 551362.

Almost surely, 257118564432 is an apocalyptic number.

It is an amenable number.

57118564432 is a deficient number, since it is larger than the sum of its proper divisors (53579362724).

57118564432 is a wasteful number, since it uses less digits than its factorization.

57118564432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990606 (or 990600 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The spelling of 57118564432 in words is "fifty-seven billion, one hundred eighteen million, five hundred sixty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 3617 7234 14468 28936 57872 986981 1973962 3947924 7895848 15791696 3569910277 7139820554 14279641108 28559282216 57118564432