Base | Representation |
---|---|
bin | 11000111011111001… |
… | …10101111001100111 |
3 | 1021112222201220102021 |
4 | 30131330311321213 |
5 | 204404132444232 |
6 | 10052230124011 |
7 | 652515641125 |
oct | 143574657147 |
9 | 37488656367 |
10 | 13387390567 |
11 | 574a918751 |
12 | 27174b0607 |
13 | 1354719aa5 |
14 | 90ddaa915 |
15 | 535474397 |
hex | 31df35e67 |
13387390567 has 2 divisors, whose sum is σ = 13387390568. Its totient is φ = 13387390566.
The previous prime is 13387390501. The next prime is 13387390651. The reversal of 13387390567 is 76509378331.
It is a weak prime.
It is an emirp because it is prime and its reverse (76509378331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13387390567 - 27 = 13387390439 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13387390267) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6693695283 + 6693695284.
It is an arithmetic number, because the mean of its divisors is an integer number (6693695284).
Almost surely, 213387390567 is an apocalyptic number.
13387390567 is a deficient number, since it is larger than the sum of its proper divisors (1).
13387390567 is an equidigital number, since it uses as much as digits as its factorization.
13387390567 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2857680, while the sum is 52.
The spelling of 13387390567 in words is "thirteen billion, three hundred eighty-seven million, three hundred ninety thousand, five hundred sixty-seven".
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