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105610123631 = 853123810227
BaseRepresentation
bin110001001011011011…
…0101001100101101111
3101002121011002011002102
41202112312221211233
53212242142424011
6120303331245315
710426055145035
oct1422666514557
9332534064072
10105610123631
1140875186011
121857474983b
139c60b9cb1c
14517c182555
152b31a0d73b
hex1896da996f

105610123631 has 4 divisors (see below), whose sum is σ = 105733934712. Its totient is φ = 105486312552.

The previous prime is 105610123537. The next prime is 105610123649. The reversal of 105610123631 is 136321016501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105610123631 is a prime.

It is a super-2 number, since 2×1056101236312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105610123594 and 105610123603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105610123681) 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, 61904261 + ... + 61905966.

It is an arithmetic number, because the mean of its divisors is an integer number (26433483678).

Almost surely, 2105610123631 is an apocalyptic number.

105610123631 is a deficient number, since it is larger than the sum of its proper divisors (123811081).

105610123631 is an equidigital number, since it uses as much as digits as its factorization.

105610123631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123811080.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 105610123631 in words is "one hundred five billion, six hundred ten million, one hundred twenty-three thousand, six hundred thirty-one".

Divisors: 1 853 123810227 105610123631