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57497756684 = 22107181742213
BaseRepresentation
bin110101100011001000…
…100010010000001100
312111102010011200012212
4311203020202100030
51420223411203214
642225240245552
74103563603454
oct654310422014
9174363150185
1057497756684
1122425a91685
12b187a708b8
135564223944
142ad641ad64
151767c3253e
hexd6322240c

57497756684 has 24 divisors (see below), whose sum is σ = 102122708688. Its totient is φ = 28322809920.

The previous prime is 57497756683. The next prime is 57497756713. The reversal of 57497756684 is 48665779475.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57497756683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293639 + ... + 448574.

It is an arithmetic number, because the mean of its divisors is an integer number (4255112862).

Almost surely, 257497756684 is an apocalyptic number.

It is an amenable number.

57497756684 is a deficient number, since it is larger than the sum of its proper divisors (44624952004).

57497756684 is a wasteful number, since it uses less digits than its factorization.

57497756684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742505 (or 742503 counting only the distinct ones).

The product of its digits is 355622400, while the sum is 68.

The spelling of 57497756684 in words is "fifty-seven billion, four hundred ninety-seven million, seven hundred fifty-six thousand, six hundred eighty-four".

Divisors: 1 2 4 107 181 214 362 428 724 19367 38734 77468 742213 1484426 2968852 79416791 134340553 158833582 268681106 317667164 537362212 14374439171 28748878342 57497756684