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57425037087 = 31119234739023
BaseRepresentation
bin110101011110110011…
…001000011100011111
312111020001100010200110
4311132303020130133
51420101302141322
642214121501103
74102021522125
oct653663103437
9174201303613
1057425037087
1122398a33340
12b167641793
1355521422b2
142aca8cb915
15176166ac0c
hexd5ecc871f

57425037087 has 32 divisors (see below), whose sum is σ = 87963217920. Its totient is φ = 32956420320.

The previous prime is 57425036941. The next prime is 57425037119. The reversal of 57425037087 is 78073052475.

It is not a de Polignac number, because 57425037087 - 210 = 57425036063 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57425037487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1452058 + ... + 1491080.

It is an arithmetic number, because the mean of its divisors is an integer number (2748850560).

Almost surely, 257425037087 is an apocalyptic number.

57425037087 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

57425037087 is a deficient number, since it is larger than the sum of its proper divisors (30538180833).

57425037087 is a wasteful number, since it uses less digits than its factorization.

57425037087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41403.

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 57425037087 in words is "fifty-seven billion, four hundred twenty-five million, thirty-seven thousand, eighty-seven".

Divisors: 1 3 11 19 33 57 209 627 2347 7041 25817 39023 44593 77451 117069 133779 429253 490523 741437 1287759 1471569 2224311 8155807 24467421 91586981 274760943 1007456791 1740152639 3022370373 5220457917 19141679029 57425037087