Base | Representation |
---|---|
bin | 10100100111001111… |
… | …100100101010000100 |
3 | 2010010111120120222010 |
4 | 110213033210222010 |
5 | 330312101331322 |
6 | 14100131534220 |
7 | 1412324231652 |
oct | 244717445204 |
9 | 63114516863 |
10 | 22133230212 |
11 | 94286a44a5 |
12 | 435845a370 |
13 | 211962bb32 |
14 | 10dd741dd2 |
15 | 89819920c |
hex | 5273e4a84 |
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".
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