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57145683124 = 221750310971523
BaseRepresentation
bin110101001110001001…
…011110110010110100
312110111120200111002101
4311032021132302310
51414013243324444
642130302151444
74062060202105
oct651611366264
9173446614071
1057145683124
11222652805a2
12b0a9b82584
1355092c29aa
142aa17703ac
151746d893d4
hexd4e25ecb4

57145683124 has 48 divisors (see below), whose sum is σ = 106264545408. Its totient is φ = 26796551168.

The previous prime is 57145683079. The next prime is 57145683149. The reversal of 57145683124 is 42138654175.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37521027 + ... + 37522549.

It is an arithmetic number, because the mean of its divisors is an integer number (2213844696).

Almost surely, 257145683124 is an apocalyptic number.

It is an amenable number.

57145683124 is a deficient number, since it is larger than the sum of its proper divisors (49118862284).

57145683124 is a wasteful number, since it uses less digits than its factorization.

57145683124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144 (or 3142 counting only the distinct ones).

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

The spelling of 57145683124 in words is "fifty-seven billion, one hundred forty-five million, six hundred eighty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 17 34 68 503 1006 1097 1523 2012 2194 3046 4388 6092 8551 17102 18649 25891 34204 37298 51782 74596 103564 551791 766069 1103582 1532138 1670731 2207164 3064276 3341462 6682924 9380447 13023173 18760894 26046346 28402427 37521788 52092692 56804854 113609708 840377693 1680755386 3361510772 14286420781 28572841562 57145683124