Base | Representation |
---|---|
bin | 11000110000011010… |
… | …10110001111111111 |
3 | 1021022021110111121012 |
4 | 30120031112033333 |
5 | 204210002212304 |
6 | 10034505225435 |
7 | 650236044542 |
oct | 143015261777 |
9 | 37267414535 |
10 | 13291054079 |
11 | 57004a9716 |
12 | 26ab19227b |
13 | 133a789954 |
14 | 901290859 |
15 | 52bc9516e |
hex | 3183563ff |
13291054079 has 4 divisors (see below), whose sum is σ = 13293902976. Its totient is φ = 13288205184.
The previous prime is 13291054069. The next prime is 13291054081. The reversal of 13291054079 is 97045019231.
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 13291054079 - 28 = 13291053823 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 (13291054069) 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, 1417439 + ... + 1426784.
It is an arithmetic number, because the mean of its divisors is an integer number (3323475744).
Almost surely, 213291054079 is an apocalyptic number.
13291054079 is a deficient number, since it is larger than the sum of its proper divisors (2848897).
13291054079 is an equidigital number, since it uses as much as digits as its factorization.
13291054079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2848896.
The product of its (nonzero) digits is 68040, while the sum is 41.
The spelling of 13291054079 in words is "thirteen billion, two hundred ninety-one million, fifty-four thousand, seventy-nine".
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