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22131101010 = 2351938826493
BaseRepresentation
bin10100100111000111…
…011100110101010010
32010010100120102020210
4110213013130311102
5330311030213020
614100014144550
71412300153244
oct244707346522
963110512223
1022131101010
11942747a827
1243577b2156
132119064955
1410dd34a094
15897dc83e0
hex5271dcd52

22131101010 has 32 divisors (see below), whose sum is σ = 55910151360. Its totient is φ = 5591014848.

The previous prime is 22131100949. The next prime is 22131101017. The reversal of 22131101010 is 1010113122.

It is not an unprimeable number, because it can be changed into a prime (22131101017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19412677 + ... + 19413816.

It is an arithmetic number, because the mean of its divisors is an integer number (1747192230).

Almost surely, 222131101010 is an apocalyptic number.

22131101010 is an abundant number, since it is smaller than the sum of its proper divisors (33779050350).

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

22131101010 is a wasteful number, since it uses less digits than its factorization.

22131101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38826522.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 22131101010 its reverse (1010113122), we get a palindrome (23141214132).

The spelling of 22131101010 in words is "twenty-two billion, one hundred thirty-one million, one hundred one thousand, ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 38826493 77652986 116479479 194132465 232958958 388264930 582397395 737703367 1164794790 1475406734 2213110101 3688516835 4426220202 7377033670 11065550505 22131101010