Base | Representation |
---|---|
bin | 11000101000110100… |
… | …01101101011011011 |
3 | 1021010211112101002220 |
4 | 30110122031223123 |
5 | 204042143133404 |
6 | 10024311155123 |
7 | 645533230161 |
oct | 142432155333 |
9 | 37124471086 |
10 | 13227317979 |
11 | 5678526857 |
12 | 2691975aa3 |
13 | 132a502295 |
14 | 8d6a1d231 |
15 | 5263a54d9 |
hex | 31468dadb |
13227317979 has 8 divisors (see below), whose sum is σ = 17763305280. Its totient is φ = 8754771336.
The previous prime is 13227317941. The next prime is 13227318011. The reversal of 13227317979 is 97971372231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13227317979 - 213 = 13227309787 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13227317179) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15859677 + ... + 15860510.
It is an arithmetic number, because the mean of its divisors is an integer number (2220413160).
Almost surely, 213227317979 is an apocalyptic number.
13227317979 is a deficient number, since it is larger than the sum of its proper divisors (4535987301).
13227317979 is a wasteful number, since it uses less digits than its factorization.
13227317979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31720329.
The product of its digits is 1000188, while the sum is 51.
The spelling of 13227317979 in words is "thirteen billion, two hundred twenty-seven million, three hundred seventeen thousand, nine hundred seventy-nine".
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