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54172868675 = 529791221317
BaseRepresentation
bin110010011100111101…
…000110000001000011
312011211101210212022112
4302130331012001003
51341421223244200
640515304325535
73625311533432
oct623475060103
9164741725275
1054172868675
1120a7a199052
12a5ba4738ab
1351544393a3
14289ca03119
151620db5535
hexc9cf46043

54172868675 has 12 divisors (see below), whose sum is σ = 67181521536. Its totient is φ = 43333672800.

The previous prime is 54172868653. The next prime is 54172868689. The reversal of 54172868675 is 57686827145.

It is not a de Polignac number, because 54172868675 - 218 = 54172606531 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134117 + ... + 355433.

It is an arithmetic number, because the mean of its divisors is an integer number (5598460128).

Almost surely, 254172868675 is an apocalyptic number.

54172868675 is a deficient number, since it is larger than the sum of its proper divisors (13008652861).

54172868675 is a wasteful number, since it uses less digits than its factorization.

54172868675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231118 (or 231113 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 59.

The spelling of 54172868675 in words is "fifty-four billion, one hundred seventy-two million, eight hundred sixty-eight thousand, six hundred seventy-five".

Divisors: 1 5 25 9791 48955 221317 244775 1106585 5532925 2166914747 10834573735 54172868675