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18712060163 = 89325964513
BaseRepresentation
bin10001011011010100…
…110110000100000011
31210022002001010221022
4101123110312010003
5301310241411123
612332440220055
71231462613156
oct213324660403
953262033838
1018712060163
117a32519835
12376276a62b
1319c2903164
14c97223c9d
15747b5e1c8
hex45b536103

18712060163 has 8 divisors (see below), whose sum is σ = 18928407600. Its totient is φ = 18495848448.

The previous prime is 18712060117. The next prime is 18712060231. The reversal of 18712060163 is 36106021781.

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 18712060163 - 210 = 18712059139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18712060363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257795 + ... + 322307.

It is an arithmetic number, because the mean of its divisors is an integer number (2366050950).

Almost surely, 218712060163 is an apocalyptic number.

18712060163 is a deficient number, since it is larger than the sum of its proper divisors (216347437).

18712060163 is an equidigital number, since it uses as much as digits as its factorization.

18712060163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67861.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 18712060163 in words is "eighteen billion, seven hundred twelve million, sixty thousand, one hundred sixty-three".

Divisors: 1 89 3259 64513 290051 5741657 210247867 18712060163