Base | Representation |
---|---|
bin | 110011000011… |
… | …000111000001 |
3 | 221011212202122 |
4 | 303003013001 |
5 | 11411211311 |
6 | 1154454025 |
7 | 221513546 |
oct | 63030701 |
9 | 27155678 |
10 | 13382081 |
11 | 7610179 |
12 | 4594315 |
13 | 2a070bb |
14 | 1ac4bcd |
15 | 12950db |
hex | cc31c1 |
13382081 has 2 divisors, whose sum is σ = 13382082. Its totient is φ = 13382080.
The previous prime is 13382059. The next prime is 13382087. The reversal of 13382081 is 18028331.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7929856 + 5452225 = 2816^2 + 2335^2 .
It is a cyclic number.
It is not a de Polignac number, because 13382081 - 214 = 13365697 is a prime.
It is a super-2 number, since 2×133820812 = 358160183781122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13382081.
It is not a weakly prime, because it can be changed into another prime (13382087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6691040 + 6691041.
It is an arithmetic number, because the mean of its divisors is an integer number (6691041).
Almost surely, 213382081 is an apocalyptic number.
It is an amenable number.
13382081 is a deficient number, since it is larger than the sum of its proper divisors (1).
13382081 is an equidigital number, since it uses as much as digits as its factorization.
13382081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 13382081 is about 3658.1526758734. The cubic root of 13382081 is about 237.4148525795.
The spelling of 13382081 in words is "thirteen million, three hundred eighty-two thousand, eighty-one".
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