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57357643124 = 22131634317257
BaseRepresentation
bin110101011010110010…
…000010110101110100
312111001100112011112202
4311122302002311310
51414432024034444
642203313204032
74100242631225
oct653262026564
9174040464482
1057357643124
1122363992251
12b148b60618
1355411a6a02
142ac198724c
15175a7a734e
hexd5ac82d74

57357643124 has 24 divisors (see below), whose sum is σ = 101163910848. Its totient is φ = 28453763520.

The previous prime is 57357643121. The next prime is 57357643141. The reversal of 57357643124 is 42134675375.

It is a happy number.

57357643124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57357643121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315104 + ... + 3332360.

It is an arithmetic number, because the mean of its divisors is an integer number (4215162952).

Almost surely, 257357643124 is an apocalyptic number.

It is an amenable number.

57357643124 is a deficient number, since it is larger than the sum of its proper divisors (43806267724).

57357643124 is a wasteful number, since it uses less digits than its factorization.

57357643124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23735 (or 23733 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 47.

The spelling of 57357643124 in words is "fifty-seven billion, three hundred fifty-seven million, six hundred forty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 131 262 524 6343 12686 17257 25372 34514 69028 830933 1661866 2260667 3323732 4521334 9042668 109461151 218922302 437844604 14339410781 28678821562 57357643124