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57663236675 = 5211219062227
BaseRepresentation
bin110101101100111111…
…110010101001000011
312111211122112221002102
4311230333302221003
51421043242033200
642253511141015
74110643265432
oct655477625103
9174748487072
1057663236675
1122500437200
12b21337476b
13558c5b27b5
142b103b5119
15177751d6d5
hexd6cff2a43

57663236675 has 18 divisors (see below), whose sum is σ = 78593566044. Its totient is φ = 41936897200.

The previous prime is 57663236651. The next prime is 57663236677.

57663236675 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 57663236675 - 28 = 57663236419 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 57663236675.

It is not an unprimeable number, because it can be changed into a prime (57663236677) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9528089 + ... + 9534138.

Almost surely, 257663236675 is an apocalyptic number.

57663236675 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57663236675 is a deficient number, since it is larger than the sum of its proper divisors (20930329369).

57663236675 is a wasteful number, since it uses less digits than its factorization.

57663236675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19062259 (or 19062243 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 56.

The spelling of 57663236675 in words is "fifty-seven billion, six hundred sixty-three million, two hundred thirty-six thousand, six hundred seventy-five".

Divisors: 1 5 11 25 55 121 275 605 3025 19062227 95311135 209684497 476555675 1048422485 2306529467 5242112425 11532647335 57663236675