Base | Representation |
---|---|
bin | 11000010011100101… |
… | …01001100001000111 |
3 | 1020200102022201121222 |
4 | 30021302221201013 |
5 | 203211042032322 |
6 | 5554505030555 |
7 | 641241102215 |
oct | 141162514107 |
9 | 36612281558 |
10 | 13049174087 |
11 | 5596a116a4 |
12 | 264218545b |
13 | 12cc62b1b1 |
14 | 8bb0c9cb5 |
15 | 515916e42 |
hex | 309ca9847 |
13049174087 has 4 divisors (see below), whose sum is σ = 13105179360. Its totient is φ = 12993168816.
The previous prime is 13049174063. The next prime is 13049174153. The reversal of 13049174087 is 78047194031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13049174087 - 218 = 13048911943 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13049174287) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28002287 + ... + 28002752.
It is an arithmetic number, because the mean of its divisors is an integer number (3276294840).
Almost surely, 213049174087 is an apocalyptic number.
13049174087 is a deficient number, since it is larger than the sum of its proper divisors (56005273).
13049174087 is an equidigital number, since it uses as much as digits as its factorization.
13049174087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56005272.
The product of its (nonzero) digits is 169344, while the sum is 44.
The spelling of 13049174087 in words is "thirteen billion, forty-nine million, one hundred seventy-four thousand, eighty-seven".
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