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89137994177 = 31292755457
BaseRepresentation
bin101001100000100001…
…0011101100111000001
322112002011212021102202
41103001002131213001
52430023311303202
6104541024322545
76303631310021
oct1230102354701
9275064767382
1089137994177
113489208a391
1215338173455
13853736c46b
144458631a81
1524ba857802
hex14c109d9c1

89137994177 has 6 divisors (see below), whose sum is σ = 92106169794. Its totient is φ = 86262574080.

The previous prime is 89137994161. The next prime is 89137994189. The reversal of 89137994177 is 77149973198.

It can be written as a sum of positive squares in only one way, i.e., 88547309761 + 590684416 = 297569^2 + 24304^2 .

It is not a de Polignac number, because 89137994177 - 24 = 89137994161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89137994107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46376768 + ... + 46378689.

It is an arithmetic number, because the mean of its divisors is an integer number (15351028299).

Almost surely, 289137994177 is an apocalyptic number.

It is an amenable number.

89137994177 is a deficient number, since it is larger than the sum of its proper divisors (2968175617).

89137994177 is an equidigital number, since it uses as much as digits as its factorization.

89137994177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92755519 (or 92755488 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 65.

The spelling of 89137994177 in words is "eighty-nine billion, one hundred thirty-seven million, nine hundred ninety-four thousand, one hundred seventy-seven".

Divisors: 1 31 961 92755457 2875419167 89137994177