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57439493475 = 35271317947017
BaseRepresentation
bin110101011111101010…
…010001110101100011
312111021001112121010020
4311133222101311203
51420114002242400
642215355404523
74102255432050
oct653752216543
9174231477106
1057439493475
11223a6107671
12b170453743
135555134380
142acc7b2027
151762a742a0
hexd5fa91d63

57439493475 has 96 divisors (see below), whose sum is σ = 117537477120. Its totient is φ = 24102282240.

The previous prime is 57439493473. The next prime is 57439493477.

It is a happy number.

57439493475 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (57439493473) and next prime (57439493477).

It is not a de Polignac number, because 57439493475 - 21 = 57439493473 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (57439493473) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1198167 + ... + 1245183.

It is an arithmetic number, because the mean of its divisors is an integer number (1224348720).

Almost surely, 257439493475 is an apocalyptic number.

57439493475 is an abundant number, since it is smaller than the sum of its proper divisors (60097983645).

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

57439493475 is a wasteful number, since it uses less digits than its factorization.

57439493475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47229 (or 47224 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 60.

The spelling of 57439493475 in words is "fifty-seven billion, four hundred thirty-nine million, four hundred ninety-three thousand, four hundred seventy-five".

Divisors: 1 3 5 7 13 15 21 25 35 39 65 75 91 105 175 179 195 273 325 455 525 537 895 975 1253 1365 2275 2327 2685 3759 4475 6265 6825 6981 11635 13425 16289 18795 31325 34905 47017 48867 58175 81445 93975 141051 174525 235085 244335 329119 407225 611221 705255 987357 1175425 1221675 1645595 1833663 3056105 3526275 4278547 4936785 8227975 8416043 9168315 12835641 15280525 21392735 24683925 25248129 42080215 45841575 58912301 64178205 106963675 109408559 126240645 176736903 210401075 294561505 320891025 328225677 547042795 631203225 765859913 883684515 1472807525 1641128385 2297579739 2735213975 3829299565 4418422575 8205641925 11487898695 19146497825 57439493475