Base | Representation |
---|---|
bin | 110100100000… |
… | …110100001101 |
3 | 221220101021012 |
4 | 310200310031 |
5 | 12011002101 |
6 | 1211015005 |
7 | 225002552 |
oct | 64406415 |
9 | 27811235 |
10 | 13765901 |
11 | 7852586 |
12 | 473a465 |
13 | 2b0ca06 |
14 | 1b84a29 |
15 | 131dbbb |
hex | d20d0d |
13765901 has 2 divisors, whose sum is σ = 13765902. Its totient is φ = 13765900.
The previous prime is 13765879. The next prime is 13765919. The reversal of 13765901 is 10956731.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7645225 + 6120676 = 2765^2 + 2474^2 .
It is a cyclic number.
It is not a de Polignac number, because 13765901 - 218 = 13503757 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13765951) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6882950 + 6882951.
It is an arithmetic number, because the mean of its divisors is an integer number (6882951).
Almost surely, 213765901 is an apocalyptic number.
It is an amenable number.
13765901 is a deficient number, since it is larger than the sum of its proper divisors (1).
13765901 is an equidigital number, since it uses as much as digits as its factorization.
13765901 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5670, while the sum is 32.
The square root of 13765901 is about 3710.2427144326. The cubic root of 13765901 is about 239.6633068131.
The spelling of 13765901 in words is "thirteen million, seven hundred sixty-five thousand, nine hundred one".
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