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22405523013 = 32109206311071
BaseRepresentation
bin10100110111011110…
…010010011001000101
32010211110221111110200
4110313132102121011
5331341303214023
614143140041113
71422141542346
oct246736223105
963743844420
1022405523013
119558374075
124413693199
132160b78433
1411279820cd
158b2033743
hex537792645

22405523013 has 24 divisors (see below), whose sum is σ = 32679229440. Its totient is φ = 14791468320.

The previous prime is 22405522991. The next prime is 22405523039. The reversal of 22405523013 is 31032550422.

It is a happy number.

22405523013 is a `hidden beast` number, since 22 + 405 + 5 + 230 + 1 + 3 = 666.

It is not a de Polignac number, because 22405523013 - 26 = 22405522949 is a prime.

It is a super-2 number, since 2×224055230132 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22405524013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2018268 + ... + 2029338.

It is an arithmetic number, because the mean of its divisors is an integer number (1361634560).

Almost surely, 222405523013 is an apocalyptic number.

It is an amenable number.

22405523013 is a deficient number, since it is larger than the sum of its proper divisors (10273706427).

22405523013 is a wasteful number, since it uses less digits than its factorization.

22405523013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13249 (or 13246 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 22405523013 in words is "twenty-two billion, four hundred five million, five hundred twenty-three thousand, thirteen".

Divisors: 1 3 9 109 327 981 2063 6189 11071 18567 33213 99639 224867 674601 1206739 2023803 3620217 10860651 22839473 68518419 205555257 2489502557 7468507671 22405523013