Base | Representation |
---|---|
bin | 10111100011110100… |
… | …11010100101010010 |
3 | 1012122111111021010201 |
4 | 23301322122211102 |
5 | 201401012310012 |
6 | 5451034245414 |
7 | 625304650063 |
oct | 136172324522 |
9 | 35574437121 |
10 | 12648556882 |
11 | 5400864aa5 |
12 | 254bb8686a |
13 | 12676319b0 |
14 | 87dc0456a |
15 | 4e0680857 |
hex | 2f1e9a952 |
12648556882 has 8 divisors (see below), whose sum is σ = 20432284236. Its totient is φ = 5837795472.
The previous prime is 12648556873. The next prime is 12648556889. The reversal of 12648556882 is 28865584621.
It can be written as a sum of positive squares in 2 ways, for example, as 12131039881 + 517517001 = 110141^2 + 22749^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12648556889) 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, 243241453 + ... + 243241504.
Almost surely, 212648556882 is an apocalyptic number.
12648556882 is a deficient number, since it is larger than the sum of its proper divisors (7783727354).
12648556882 is a wasteful number, since it uses less digits than its factorization.
12648556882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 486482972.
The product of its digits is 7372800, while the sum is 55.
The spelling of 12648556882 in words is "twelve billion, six hundred forty-eight million, five hundred fifty-six thousand, eight hundred eighty-two".
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