Base | Representation |
---|---|
bin | 110010111110… |
… | …011110001001 |
3 | 221010220200221 |
4 | 302332132021 |
5 | 11410104311 |
6 | 1154230041 |
7 | 221404264 |
oct | 62763611 |
9 | 27126627 |
10 | 13363081 |
11 | 75a7976 |
12 | 4585321 |
13 | 29cb564 |
14 | 1abbcdb |
15 | 128e671 |
hex | cbe789 |
13363081 has 2 divisors, whose sum is σ = 13363082. Its totient is φ = 13363080.
The previous prime is 13363079. The next prime is 13363093. The reversal of 13363081 is 18036331.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11696400 + 1666681 = 3420^2 + 1291^2 .
It is an emirp because it is prime and its reverse (18036331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13363081 - 21 = 13363079 is a prime.
It is a super-2 number, since 2×133630812 = 357143867625122, which contains 22 as substring.
Together with 13363079, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (13363001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6681540 + 6681541.
It is an arithmetic number, because the mean of its divisors is an integer number (6681541).
Almost surely, 213363081 is an apocalyptic number.
It is an amenable number.
13363081 is a deficient number, since it is larger than the sum of its proper divisors (1).
13363081 is an equidigital number, since it uses as much as digits as its factorization.
13363081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 13363081 is about 3655.5548142519. The cubic root of 13363081 is about 237.3024381065.
The spelling of 13363081 in words is "thirteen million, three hundred sixty-three thousand, eighty-one".
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