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22135426960 = 245276692837
BaseRepresentation
bin10100100111010111…
…111100111110010000
32010010122201012100011
4110213113330332100
5330313132130320
614100251004304
71412352011323
oct244727747620
963118635304
1022135426960
119429964999
124359139694
132119c1a99a
1410ddb547ba
1589848005a
hex5275fcf90

22135426960 has 20 divisors (see below), whose sum is σ = 51464867868. Its totient is φ = 8854170752.

The previous prime is 22135426931. The next prime is 22135426991. The reversal of 22135426960 is 6962453122.

It can be written as a sum of positive squares in 2 ways, for example, as 8845026304 + 13290400656 = 94048^2 + 115284^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 138346339 + ... + 138346498.

Almost surely, 222135426960 is an apocalyptic number.

22135426960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22135426960 is an abundant number, since it is smaller than the sum of its proper divisors (29329440908).

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

22135426960 is a wasteful number, since it uses less digits than its factorization.

22135426960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276692850 (or 276692844 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 22135426960 in words is "twenty-two billion, one hundred thirty-five million, four hundred twenty-six thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 276692837 553385674 1106771348 1383464185 2213542696 2766928370 4427085392 5533856740 11067713480 22135426960