Base | Representation |
---|---|
bin | 10100010101010111… |
… | …001001001000001000 |
3 | 2002100121001201210022 |
4 | 110111113021020020 |
5 | 324203301142322 |
6 | 14010253440012 |
7 | 1402022230235 |
oct | 242527111010 |
9 | 62317051708 |
10 | 21833224712 |
11 | 9294316972 |
12 | 4293aa0008 |
13 | 209c42b6a0 |
14 | 10b196a78c |
15 | 87bb88942 |
hex | 5155c9208 |
21833224712 has 64 divisors (see below), whose sum is σ = 47672997120. Its totient is φ = 9282290688.
The previous prime is 21833224711. The next prime is 21833224717. The reversal of 21833224712 is 21742233812.
It is not an unprimeable number, because it can be changed into a prime (21833224711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48278 + ... + 214469.
It is an arithmetic number, because the mean of its divisors is an integer number (744890580).
Almost surely, 221833224712 is an apocalyptic number.
It is an amenable number.
21833224712 is an abundant number, since it is smaller than the sum of its proper divisors (25839772408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21833224712 is a wasteful number, since it uses less digits than its factorization.
21833224712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262830 (or 262826 counting only the distinct ones).
The product of its digits is 32256, while the sum is 35.
The spelling of 21833224712 in words is "twenty-one billion, eight hundred thirty-three million, two hundred twenty-four thousand, seven hundred twelve".
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