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13172111886 = 232195351981
BaseRepresentation
bin11000100010001111…
…00111101000001110
31020222222122121120210
430101013213220032
5203434030040021
610015020023250
7644263050363
oct142107475016
936888577523
1013172111886
11564a34a68a
122677391b26
13131bc4335b
148cd56c46a
155215ece76
hex3111e7a0e

13172111886 has 8 divisors (see below), whose sum is σ = 26344223784. Its totient is φ = 4390703960.

The previous prime is 13172111863. The next prime is 13172111933. The reversal of 13172111886 is 68811127131.

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

13172111886 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097675985 + ... + 1097675996.

It is an arithmetic number, because the mean of its divisors is an integer number (3293027973).

Almost surely, 213172111886 is an apocalyptic number.

13172111886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13172111886 is a wasteful number, since it uses less digits than its factorization.

13172111886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195351986.

The product of its digits is 16128, while the sum is 39.

The spelling of 13172111886 in words is "thirteen billion, one hundred seventy-two million, one hundred eleven thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 2195351981 4390703962 6586055943 13172111886