Base | Representation |
---|---|
bin | 10110011011111111… |
… | …01011111010110111 |
3 | 1011002111121010000200 |
4 | 23031333223322313 |
5 | 144132231140324 |
6 | 5311150411543 |
7 | 604336650345 |
oct | 131577537267 |
9 | 34074533020 |
10 | 12045958839 |
11 | 51216a2192 |
12 | 2402200bb3 |
13 | 119c8366c5 |
14 | 823b82995 |
15 | 4a77ecec9 |
hex | 2cdfebeb7 |
12045958839 has 24 divisors (see below), whose sum is σ = 18019653600. Its totient is φ = 7745129280.
The previous prime is 12045958831. The next prime is 12045958849. The reversal of 12045958839 is 93885954021.
12045958839 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 59 + 588 + 3 + 9 = 666.
It is not a de Polignac number, because 12045958839 - 23 = 12045958831 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12045958831) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214749 + ... + 264969.
It is an arithmetic number, because the mean of its divisors is an integer number (750818900).
Almost surely, 212045958839 is an apocalyptic number.
12045958839 is a deficient number, since it is larger than the sum of its proper divisors (5973694761).
12045958839 is a wasteful number, since it uses less digits than its factorization.
12045958839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51175 (or 51172 counting only the distinct ones).
The product of its (nonzero) digits is 3110400, while the sum is 54.
The spelling of 12045958839 in words is "twelve billion, forty-five million, nine hundred fifty-eight thousand, eight hundred thirty-nine".
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