Base | Representation |
---|---|
bin | 110001110101… |
… | …101110111101 |
3 | 220120210000102 |
4 | 301311232331 |
5 | 11321041044 |
6 | 1144010445 |
7 | 216023546 |
oct | 61655675 |
9 | 26523012 |
10 | 13065149 |
11 | 7414049 |
12 | 4460a25 |
13 | 2925a76 |
14 | 1a414cd |
15 | 123124e |
hex | c75bbd |
13065149 has 2 divisors, whose sum is σ = 13065150. Its totient is φ = 13065148.
The previous prime is 13065131. The next prime is 13065187. The reversal of 13065149 is 94156031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11356900 + 1708249 = 3370^2 + 1307^2 .
It is a cyclic number.
It is not a de Polignac number, because 13065149 - 212 = 13061053 is a prime.
It is a Chen prime.
It is equal to p853184 and since 13065149 and 853184 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13065119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6532574 + 6532575.
It is an arithmetic number, because the mean of its divisors is an integer number (6532575).
Almost surely, 213065149 is an apocalyptic number.
It is an amenable number.
13065149 is a deficient number, since it is larger than the sum of its proper divisors (1).
13065149 is an equidigital number, since it uses as much as digits as its factorization.
13065149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3240, while the sum is 29.
The square root of 13065149 is about 3614.5745254456. The cubic root of 13065149 is about 235.5256018915.
The spelling of 13065149 in words is "thirteen million, sixty-five thousand, one hundred forty-nine".
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