Base | Representation |
---|---|
bin | 10100111000111111… |
… | …011110100110110100 |
3 | 2010220020212220201021 |
4 | 110320333132212310 |
5 | 331414314013022 |
6 | 14145450110524 |
7 | 1422601235260 |
oct | 247077364664 |
9 | 63806786637 |
10 | 22431001012 |
11 | 9570796072 |
12 | 442011b444 |
13 | 2166229084 |
14 | 112b0d50a0 |
15 | 8b43b77c7 |
hex | 538fde9b4 |
22431001012 has 24 divisors (see below), whose sum is σ = 45184758080. Its totient is φ = 9544124160.
The previous prime is 22431000967. The next prime is 22431001031. The reversal of 22431001012 is 21010013422.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2877789 + ... + 2885572.
Almost surely, 222431001012 is an apocalyptic number.
It is an amenable number.
22431001012 is an abundant number, since it is smaller than the sum of its proper divisors (22753757068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22431001012 is a wasteful number, since it uses less digits than its factorization.
22431001012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5763511 (or 5763509 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 22431001012 its reverse (21010013422), we get a palindrome (43441014434).
The spelling of 22431001012 in words is "twenty-two billion, four hundred thirty-one million, one thousand, twelve".
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