Base | Representation |
---|---|
bin | 110001111111… |
… | …100101100011 |
3 | 220122211101011 |
4 | 301333211203 |
5 | 11323334012 |
6 | 1144521351 |
7 | 216252322 |
oct | 61774543 |
9 | 26584334 |
10 | 13105507 |
11 | 74413a8 |
12 | 4480257 |
13 | 293b24c |
14 | 1a520b9 |
15 | 123d1a7 |
hex | c7f963 |
13105507 has 2 divisors, whose sum is σ = 13105508. Its totient is φ = 13105506.
The previous prime is 13105501. The next prime is 13105537. The reversal of 13105507 is 70550131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13105507 - 215 = 13072739 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13105501) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552753 + 6552754.
It is an arithmetic number, because the mean of its divisors is an integer number (6552754).
Almost surely, 213105507 is an apocalyptic number.
13105507 is a deficient number, since it is larger than the sum of its proper divisors (1).
13105507 is an equidigital number, since it uses as much as digits as its factorization.
13105507 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 525, while the sum is 22.
The square root of 13105507 is about 3620.1528973235. The cubic root of 13105507 is about 235.7678640024.
Adding to 13105507 its reverse (70550131), we get a palindrome (83655638).
The spelling of 13105507 in words is "thirteen million, one hundred five thousand, five hundred seven".
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