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100000104431 = 891123596679
BaseRepresentation
bin101110100100001111…
…0000111111111101111
3100120010011211122111112
41131020132013333233
53114300011320211
6113534525142235
710140044601653
oct1351036077757
9316104748445
10100000104431
11394564a7607
12174699ba97b
139578848136
144ba908aa63
15290425a88b
hex1748787fef

100000104431 has 4 divisors (see below), whose sum is σ = 101123701200. Its totient is φ = 98876507664.

The previous prime is 100000104403. The next prime is 100000104437. The reversal of 100000104431 is 134401000001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100000104431 - 210 = 100000103407 is a prime.

It is a super-2 number, since 2×1000001044312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000104437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561798251 + ... + 561798428.

It is an arithmetic number, because the mean of its divisors is an integer number (25280925300).

Almost surely, 2100000104431 is an apocalyptic number.

100000104431 is a deficient number, since it is larger than the sum of its proper divisors (1123596769).

100000104431 is an equidigital number, since it uses as much as digits as its factorization.

100000104431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123596768.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100000104431 its reverse (134401000001), we get a palindrome (234401104432).

The spelling of 100000104431 in words is "one hundred billion, one hundred four thousand, four hundred thirty-one".

Divisors: 1 89 1123596679 100000104431