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89808994799 = 1712314291537
BaseRepresentation
bin101001110100100001…
…0001000000111101111
322120210221110122020122
41103221002020013233
52432412100313144
6105131354235155
76326356601036
oct1235102100757
9276727418218
1089808994799
11350a6922057
12154a4a25abb
138613397154
1444bd7bb71d
1525096ec7ee
hex14e90881ef

89808994799 has 8 divisors (see below), whose sum is σ = 95169146688. Its totient is φ = 84457428480.

The previous prime is 89808994727. The next prime is 89808994837. The reversal of 89808994799 is 99749980898.

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 89808994799 - 220 = 89807946223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89808994399) 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, 2124842 + ... + 2166695.

It is an arithmetic number, because the mean of its divisors is an integer number (11896143336).

Almost surely, 289808994799 is an apocalyptic number.

89808994799 is a deficient number, since it is larger than the sum of its proper divisors (5360151889).

89808994799 is a wasteful number, since it uses less digits than its factorization.

89808994799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292785.

The product of its (nonzero) digits is 846526464, while the sum is 80.

The spelling of 89808994799 in words is "eighty-nine billion, eight hundred eight million, nine hundred ninety-four thousand, seven hundred ninety-nine".

Divisors: 1 17 1231 20927 4291537 72956129 5282882047 89808994799