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105520587253 = 1027110273643
BaseRepresentation
bin110001001000110000…
…1000110000111110101
3101002100220121020021021
41202101201012013311
53212101232243003
6120250412221141
710423620123034
oct1422141060765
9332326536237
10105520587253
1140829691004
121854a76a7b1
139c48480c13
14517031671b
152b28c242bd
hex18918461f5

105520587253 has 4 divisors (see below), whose sum is σ = 105530871168. Its totient is φ = 105510303340.

The previous prime is 105520587233. The next prime is 105520587287. The reversal of 105520587253 is 352785025501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105520587253 - 29 = 105520586741 is a prime.

It is a super-2 number, since 2×1055205872532 (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 (105520587203) 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, 5126551 + ... + 5147092.

It is an arithmetic number, because the mean of its divisors is an integer number (26382717792).

Almost surely, 2105520587253 is an apocalyptic number.

It is an amenable number.

105520587253 is a deficient number, since it is larger than the sum of its proper divisors (10283915).

105520587253 is a wasteful number, since it uses less digits than its factorization.

105520587253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10283914.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 105520587253 in words is "one hundred five billion, five hundred twenty million, five hundred eighty-seven thousand, two hundred fifty-three".

Divisors: 1 10271 10273643 105520587253