Base | Representation |
---|---|
bin | 110010101000… |
… | …000101100001 |
3 | 220222020221002 |
4 | 302220011201 |
5 | 11344141033 |
6 | 1152241345 |
7 | 220543052 |
oct | 62500541 |
9 | 26866832 |
10 | 13271393 |
11 | 7544aa3 |
12 | 4540255 |
13 | 29988c5 |
14 | 1a96729 |
15 | 12723e8 |
hex | ca8161 |
13271393 has 2 divisors, whose sum is σ = 13271394. Its totient is φ = 13271392.
The previous prime is 13271389. The next prime is 13271429. The reversal of 13271393 is 39317231.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12054784 + 1216609 = 3472^2 + 1103^2 .
It is an emirp because it is prime and its reverse (39317231) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13271393 - 22 = 13271389 is a prime.
It is a super-2 number, since 2×132713932 = 352259744320898, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13271383) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6635696 + 6635697.
It is an arithmetic number, because the mean of its divisors is an integer number (6635697).
Almost surely, 213271393 is an apocalyptic number.
It is an amenable number.
13271393 is a deficient number, since it is larger than the sum of its proper divisors (1).
13271393 is an equidigital number, since it uses as much as digits as its factorization.
13271393 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3402, while the sum is 29.
The square root of 13271393 is about 3642.9923140188. The cubic root of 13271393 is about 236.7584582994.
The spelling of 13271393 in words is "thirteen million, two hundred seventy-one thousand, three hundred ninety-three".
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