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18522164675 = 527201152631
BaseRepresentation
bin10001010000000000…
…011100110111000011
31202210211201110022002
4101100000130313003
5300413133232200
612301534134215
71223665542050
oct212000346703
952724643262
1018522164675
117945308513
12370b05136b
131992476171
14c79d12027
1573614dbd5
hex45001cdc3

18522164675 has 24 divisors (see below), whose sum is σ = 26262104832. Its totient is φ = 12694356000.

The previous prime is 18522164671. The next prime is 18522164743. The reversal of 18522164675 is 57646122581.

It is not a de Polignac number, because 18522164675 - 22 = 18522164671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18522164671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325610 + ... + 378240.

It is an arithmetic number, because the mean of its divisors is an integer number (1094254368).

Almost surely, 218522164675 is an apocalyptic number.

18522164675 is a deficient number, since it is larger than the sum of its proper divisors (7739940157).

18522164675 is a wasteful number, since it uses less digits than its factorization.

18522164675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54659 (or 54654 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The spelling of 18522164675 in words is "eighteen billion, five hundred twenty-two million, one hundred sixty-four thousand, six hundred seventy-five".

Divisors: 1 5 7 25 35 175 2011 10055 14077 50275 52631 70385 263155 351925 368417 1315775 1842085 9210425 105840941 529204705 740886587 2646023525 3704432935 18522164675