Base | Representation |
---|---|
bin | 11000010000100100… |
… | …01111010010100111 |
3 | 1020121122202201020202 |
4 | 30020102033102213 |
5 | 203133104311324 |
6 | 5552203221115 |
7 | 640513221245 |
oct | 141022172247 |
9 | 36548681222 |
10 | 13023900839 |
11 | 558371a514 |
12 | 263581779b |
13 | 12c731c801 |
14 | 8b79cb795 |
15 | 5135c38ae |
hex | 30848f4a7 |
13023900839 has 2 divisors, whose sum is σ = 13023900840. Its totient is φ = 13023900838.
The previous prime is 13023900763. The next prime is 13023900853. The reversal of 13023900839 is 93800932031.
It is a strong prime.
It is an emirp because it is prime and its reverse (93800932031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13023900839 - 228 = 12755465383 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13023900739) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511950419 + 6511950420.
It is an arithmetic number, because the mean of its divisors is an integer number (6511950420).
Almost surely, 213023900839 is an apocalyptic number.
13023900839 is a deficient number, since it is larger than the sum of its proper divisors (1).
13023900839 is an equidigital number, since it uses as much as digits as its factorization.
13023900839 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 34992, while the sum is 38.
The spelling of 13023900839 in words is "thirteen billion, twenty-three million, nine hundred thousand, eight hundred thirty-nine".
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