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100522216561 = 137732478197
BaseRepresentation
bin101110110011110010…
…1110100110001110001
3100121110120021200200211
41131213211310301301
53121332141412221
6114102415544121
710156014512524
oct1354745646161
9317416250624
10100522216561
11396a4197138
121759482b041
13962ca72b20
144c1855abbb
152934ee06e1
hex1767974c71

100522216561 has 4 divisors (see below), whose sum is σ = 108254694772. Its totient is φ = 92789738352.

The previous prime is 100522216511. The next prime is 100522216603. The reversal of 100522216561 is 165612225001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56958595600 + 43563620961 = 238660^2 + 208719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100522216561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100522216511) 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, 3866239086 + ... + 3866239111.

It is an arithmetic number, because the mean of its divisors is an integer number (27063673693).

Almost surely, 2100522216561 is an apocalyptic number.

It is an amenable number.

100522216561 is a deficient number, since it is larger than the sum of its proper divisors (7732478211).

100522216561 is an equidigital number, since it uses as much as digits as its factorization.

100522216561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732478210.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 100522216561 in words is "one hundred billion, five hundred twenty-two million, two hundred sixteen thousand, five hundred sixty-one".

Divisors: 1 13 7732478197 100522216561