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13222513100 = 2252997132623
BaseRepresentation
bin11000101000001111…
…11000100111001100
31021010111111021001102
430110013320213030
5204034430404400
610024020202232
7645444335606
oct142407704714
937114437042
1013222513100
115675844885
122690239378
13132950c264
148d612c176
15525c569d5
hex3141f89cc

13222513100 has 36 divisors (see below), whose sum is σ = 28721849184. Its totient is φ = 5283660480.

The previous prime is 13222513099. The next prime is 13222513169. The reversal of 13222513100 is 131522231.

It is a super-2 number, since 2×132225131002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33389 + ... + 166011.

It is an arithmetic number, because the mean of its divisors is an integer number (797829144).

Almost surely, 213222513100 is an apocalyptic number.

13222513100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222513100 is an abundant number, since it is smaller than the sum of its proper divisors (15499336084).

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

13222513100 is a wasteful number, since it uses less digits than its factorization.

13222513100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133634 (or 133627 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 13222513100 in words is "thirteen billion, two hundred twenty-two million, five hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 997 1994 3988 4985 9970 19940 24925 49850 99700 132623 265246 530492 663115 1326230 2652460 3315575 6631150 13262300 132225131 264450262 528900524 661125655 1322251310 2644502620 3305628275 6611256550 13222513100