Base | Representation |
---|---|
bin | 110010101111… |
… | …011000011111 |
3 | 221000202220222 |
4 | 302233120133 |
5 | 11401120104 |
6 | 1153031555 |
7 | 221026145 |
oct | 62573037 |
9 | 27022828 |
10 | 13301279 |
11 | 75654a2 |
12 | 45555bb |
13 | 29a93a4 |
14 | 1aa3595 |
15 | 127b1be |
hex | caf61f |
13301279 has 2 divisors, whose sum is σ = 13301280. Its totient is φ = 13301278.
The previous prime is 13301269. The next prime is 13301287. The reversal of 13301279 is 97210331.
It is a strong prime.
It is an emirp because it is prime and its reverse (97210331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13301279 - 28 = 13301023 is a prime.
It is a plaindrome in base 12.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13301209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6650639 + 6650640.
It is an arithmetic number, because the mean of its divisors is an integer number (6650640).
Almost surely, 213301279 is an apocalyptic number.
13301279 is a deficient number, since it is larger than the sum of its proper divisors (1).
13301279 is an equidigital number, since it uses as much as digits as its factorization.
13301279 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1134, while the sum is 26.
The square root of 13301279 is about 3647.0918551635. The cubic root of 13301279 is about 236.9360447464.
The spelling of 13301279 in words is "thirteen million, three hundred one thousand, two hundred seventy-nine".
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