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22133230212 = 22343154327799
BaseRepresentation
bin10100100111001111…
…100100101010000100
32010010111120120222010
4110213033210222010
5330312101331322
614100131534220
71412324231652
oct244717445204
963114516863
1022133230212
1194286a44a5
12435845a370
13211962bb32
1410dd741dd2
1589819920c
hex5273e4a84

22133230212 has 48 divisors (see below), whose sum is σ = 52881382400. Its totient is φ = 7201238688.

The previous prime is 22133230199. The next prime is 22133230219. The reversal of 22133230212 is 21203233122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22133230219) 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, 782289 + ... + 810087.

Almost surely, 222133230212 is an apocalyptic number.

It is an amenable number.

22133230212 is an abundant number, since it is smaller than the sum of its proper divisors (30748152188).

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

22133230212 is a wasteful number, since it uses less digits than its factorization.

22133230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29392 (or 29390 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22133230212 its reverse (21203233122), we get a palindrome (43336463334).

The spelling of 22133230212 in words is "twenty-two billion, one hundred thirty-three million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 1543 3086 4629 6172 9258 18516 27799 55598 66349 83397 111196 132698 166794 199047 265396 333588 398094 796188 1195357 2390714 3586071 4781428 7172142 14344284 42893857 85787714 128681571 171575428 257363142 514726284 1844435851 3688871702 5533307553 7377743404 11066615106 22133230212