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57495124349 = 13131253913297
BaseRepresentation
bin110101100010111110…
…011111100101111101
312111101221012221022222
4311202332133211331
51420222222434344
642225104015125
74103532331145
oct654276374575
9174357187288
1057495124349
11224245539a3
12b1870014a5
135563811750
142ad5d33925
1517678b25ee
hexd62f9f97d

57495124349 has 16 divisors (see below), whose sum is σ = 62419748160. Its totient is φ = 52642586880.

The previous prime is 57495124333. The next prime is 57495124367. The reversal of 57495124349 is 94342159475.

It is not a de Polignac number, because 57495124349 - 24 = 57495124333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57495124349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57495124399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4317269 + ... + 4330565.

It is an arithmetic number, because the mean of its divisors is an integer number (3901234260).

Almost surely, 257495124349 is an apocalyptic number.

It is an amenable number.

57495124349 is a deficient number, since it is larger than the sum of its proper divisors (4924623811).

57495124349 is a wasteful number, since it uses less digits than its factorization.

57495124349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15980.

The product of its digits is 5443200, while the sum is 53.

The spelling of 57495124349 in words is "fifty-seven billion, four hundred ninety-five million, one hundred twenty-four thousand, three hundred forty-nine".

Divisors: 1 13 131 1703 2539 13297 33007 172861 332609 1741907 4323917 22644791 33761083 438894079 4422701873 57495124349