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22130210244 = 2231844184187
BaseRepresentation
bin10100100111000100…
…000011010111000100
32010010021220011100110
4110213010003113010
5330310313211434
614055543113020
71412256453252
oct244704032704
963107804313
1022130210244
119426a2155a
124357442770
132118b1237c
1410dd1975d2
15897c9e4e9
hex5271035c4

22130210244 has 12 divisors (see below), whose sum is σ = 51637157264. Its totient is φ = 7376736744.

The previous prime is 22130210227. The next prime is 22130210257. The reversal of 22130210244 is 44201203122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22130210244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922092082 + ... + 922092105.

Almost surely, 222130210244 is an apocalyptic number.

It is an amenable number.

22130210244 is an abundant number, since it is smaller than the sum of its proper divisors (29506947020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22130210244 is a wasteful number, since it uses less digits than its factorization.

22130210244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844184194 (or 1844184192 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22130210244 its reverse (44201203122), we get a palindrome (66331413366).

The spelling of 22130210244 in words is "twenty-two billion, one hundred thirty million, two hundred ten thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 1844184187 3688368374 5532552561 7376736748 11065105122 22130210244