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57401660444 = 22111712847283
BaseRepresentation
bin110101011101011001…
…111101010000011100
312111011102100110221212
4311131121331100130
51420024311113234
642211524443552
74101316030502
oct653531752034
9174142313855
1057401660444
11223868170a7
12b15b8495b8
13554a348c6b
142ac7764672
15175e59e5ce
hexd5d67d41c

57401660444 has 12 divisors (see below), whose sum is σ = 100542844584. Its totient is φ = 28675133424.

The previous prime is 57401660443. The next prime is 57401660501. The reversal of 57401660444 is 44406610475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57401660443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6419174 + ... + 6428109.

It is an arithmetic number, because the mean of its divisors is an integer number (8378570382).

Almost surely, 257401660444 is an apocalyptic number.

It is an amenable number.

57401660444 is a deficient number, since it is larger than the sum of its proper divisors (43141184140).

57401660444 is a wasteful number, since it uses less digits than its factorization.

57401660444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12848404 (or 12848402 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 57401660444 in words is "fifty-seven billion, four hundred one million, six hundred sixty thousand, four hundred forty-four".

Divisors: 1 2 4 1117 2234 4468 12847283 25694566 51389132 14350415111 28700830222 57401660444