Base | Representation |
---|---|
bin | 11010100101011101… |
… | …100110100110101001 |
3 | 2201200101222010110102 |
4 | 122211131212212221 |
5 | 431430211222323 |
6 | 21040323355145 |
7 | 2030251223306 |
oct | 324535464651 |
9 | 81611863412 |
10 | 28545804713 |
11 | 111193a9648 |
12 | 5647b22ab5 |
13 | 28cc01c80a |
14 | 154b26a0ad |
15 | b2112b328 |
hex | 6a57669a9 |
28545804713 has 2 divisors, whose sum is σ = 28545804714. Its totient is φ = 28545804712.
The previous prime is 28545804659. The next prime is 28545804751. The reversal of 28545804713 is 31740854582.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28543088809 + 2715904 = 168947^2 + 1648^2 .
It is a cyclic number.
It is not a de Polignac number, because 28545804713 - 218 = 28545542569 is a prime.
It is not a weakly prime, because it can be changed into another prime (28545804773) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14272902356 + 14272902357.
It is an arithmetic number, because the mean of its divisors is an integer number (14272902357).
Almost surely, 228545804713 is an apocalyptic number.
It is an amenable number.
28545804713 is a deficient number, since it is larger than the sum of its proper divisors (1).
28545804713 is an equidigital number, since it uses as much as digits as its factorization.
28545804713 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1075200, while the sum is 47.
The spelling of 28545804713 in words is "twenty-eight billion, five hundred forty-five million, eight hundred four thousand, seven hundred thirteen".
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