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57372452124 = 22313367772129
BaseRepresentation
bin110101011011101010…
…100010010100011100
312111002101101112200020
4311123222202110130
51414444321431444
642205002432140
74100512540161
oct653352422434
9174071345606
1057372452124
1122371287499
12b151b02650
135544290430
142ac3920068
15175bc30119
hexd5baa251c

57372452124 has 24 divisors (see below), whose sum is σ = 144166674960. Its totient is φ = 17653062144.

The previous prime is 57372452119. The next prime is 57372452131. The reversal of 57372452124 is 42125427375.

57372452124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×573724521242 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183885909 + ... + 183886220.

It is an arithmetic number, because the mean of its divisors is an integer number (6006944790).

Almost surely, 257372452124 is an apocalyptic number.

It is an amenable number.

57372452124 is an abundant number, since it is smaller than the sum of its proper divisors (86794222836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57372452124 is a wasteful number, since it uses less digits than its factorization.

57372452124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367772149 (or 367772147 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

Adding to 57372452124 its reverse (42125427375), we get a palindrome (99497879499).

The spelling of 57372452124 in words is "fifty-seven billion, three hundred seventy-two million, four hundred fifty-two thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 367772129 735544258 1103316387 1471088516 2206632774 4413265548 4781037677 9562075354 14343113031 19124150708 28686226062 57372452124