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18872661164483 = 724111187113909
BaseRepresentation
bin1000100101010001000100…
…10000111100000111000011
32110211012122012112222221102
410102220202100330013003
54433202202224230413
6104045551510245015
73655335065023340
oct422504220740703
973735565488842
1018872661164483
11601693a244305
12214979405676b
13a6b8b8580619
14493627d4d7c7
1522adc421e458
hex112a2243c1c3

18872661164483 has 8 divisors (see below), whose sum is σ = 21658252529760. Its totient is φ = 16109444027520.

The previous prime is 18872661164477. The next prime is 18872661164503. The reversal of 18872661164483 is 38446116627881.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18872661164483 - 216 = 18872661098947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18872661124483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5593555268 + ... + 5593558641.

It is an arithmetic number, because the mean of its divisors is an integer number (2707281566220).

Almost surely, 218872661164483 is an apocalyptic number.

18872661164483 is a deficient number, since it is larger than the sum of its proper divisors (2785591365277).

18872661164483 is a wasteful number, since it uses less digits than its factorization.

18872661164483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11187114157.

The product of its digits is 74317824, while the sum is 65.

The spelling of 18872661164483 in words is "eighteen trillion, eight hundred seventy-two billion, six hundred sixty-one million, one hundred sixty-four thousand, four hundred eighty-three".

Divisors: 1 7 241 1687 11187113909 78309797363 2696094452069 18872661164483