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57424602687 = 365632916583
BaseRepresentation
bin110101011110110001…
…011110011000111111
312111020000112001210120
4311132301132120333
51420101144241222
642214104310023
74102015032504
oct653661363077
9174200461716
1057424602687
1122398766a31
12b167472313
13555201c65a
142aca8174ab
1517615d215c
hexd5ec5e63f

57424602687 has 8 divisors (see below), whose sum is σ = 76577829504. Its totient is φ = 38277222168.

The previous prime is 57424602673. The next prime is 57424602721. The reversal of 57424602687 is 78620642475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57424602687 - 26 = 57424602623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57424602187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438603 + ... + 1477980.

It is an arithmetic number, because the mean of its divisors is an integer number (9572228688).

Almost surely, 257424602687 is an apocalyptic number.

57424602687 is a deficient number, since it is larger than the sum of its proper divisors (19153226817).

57424602687 is a wasteful number, since it uses less digits than its factorization.

57424602687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923149.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 57424602687 in words is "fifty-seven billion, four hundred twenty-four million, six hundred two thousand, six hundred eighty-seven".

Divisors: 1 3 6563 19689 2916583 8749749 19141534229 57424602687