Base | Representation |
---|---|
bin | 110001111110… |
… | …100011101001 |
3 | 220122121120221 |
4 | 301332203221 |
5 | 11323220124 |
6 | 1144450041 |
7 | 216234115 |
oct | 61764351 |
9 | 26577527 |
10 | 13101289 |
11 | 7439213 |
12 | 4479921 |
13 | 2939356 |
14 | 1a50745 |
15 | 123bce4 |
hex | c7e8e9 |
13101289 has 2 divisors, whose sum is σ = 13101290. Its totient is φ = 13101288.
The previous prime is 13101259. The next prime is 13101299. The reversal of 13101289 is 98210131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9715689 + 3385600 = 3117^2 + 1840^2 .
It is a cyclic number.
It is not a de Polignac number, because 13101289 - 213 = 13093097 is a prime.
It is not a weakly prime, because it can be changed into another prime (13101259) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550644 + 6550645.
It is an arithmetic number, because the mean of its divisors is an integer number (6550645).
Almost surely, 213101289 is an apocalyptic number.
It is an amenable number.
13101289 is a deficient number, since it is larger than the sum of its proper divisors (1).
13101289 is an equidigital number, since it uses as much as digits as its factorization.
13101289 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 25.
The square root of 13101289 is about 3619.5702783618. The cubic root of 13101289 is about 235.7425673705.
The spelling of 13101289 in words is "thirteen million, one hundred one thousand, two hundred eighty-nine".
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