Base | Representation |
---|---|
bin | 110001111111… |
… | …101110100111 |
3 | 220122212011122 |
4 | 301333232213 |
5 | 11323343322 |
6 | 1144524155 |
7 | 216254111 |
oct | 61775647 |
9 | 26585148 |
10 | 13106087 |
11 | 7441885 |
12 | 448065b |
13 | 293b5a7 |
14 | 1a523b1 |
15 | 123d442 |
hex | c7fba7 |
13106087 has 8 divisors (see below), whose sum is σ = 13570560. Its totient is φ = 12644280.
The previous prime is 13106059. The next prime is 13106111. The reversal of 13106087 is 78060131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-13106087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13106287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18848 + ... + 19530.
It is an arithmetic number, because the mean of its divisors is an integer number (1696320).
Almost surely, 213106087 is an apocalyptic number.
13106087 is a deficient number, since it is larger than the sum of its proper divisors (464473).
13106087 is an equidigital number, since it uses as much as digits as its factorization.
13106087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1333.
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 13106087 is about 3620.2330035510. The cubic root of 13106087 is about 235.7713420147.
The spelling of 13106087 in words is "thirteen million, one hundred six thousand, eighty-seven".
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