Base | Representation |
---|---|
bin | 10111101111000001… |
… | …01001000111010000 |
3 | 1012220001012020102100 |
4 | 23313200221013100 |
5 | 202044032321302 |
6 | 5504231120400 |
7 | 630525104451 |
oct | 136740510720 |
9 | 35801166370 |
10 | 12742463952 |
11 | 5449874849 |
12 | 2577513100 |
13 | 1280c210ca |
14 | 88c48b128 |
15 | 4e8a2ed1c |
hex | 2f78291d0 |
12742463952 has 60 divisors (see below), whose sum is σ = 35712356004. Its totient is φ = 4241395200.
The previous prime is 12742463873. The next prime is 12742463977. The reversal of 12742463952 is 25936424721.
12742463952 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 2 + 4 + 639 + 5 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 8444874816 + 4297589136 = 91896^2 + 65556^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12742463898 and 12742463907.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37828 + ... + 164060.
Almost surely, 212742463952 is an apocalyptic number.
12742463952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12742463952 is an abundant number, since it is smaller than the sum of its proper divisors (22969892052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12742463952 is a wasteful number, since it uses less digits than its factorization.
12742463952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126948 (or 126939 counting only the distinct ones).
The product of its digits is 725760, while the sum is 45.
The spelling of 12742463952 in words is "twelve billion, seven hundred forty-two million, four hundred sixty-three thousand, nine hundred fifty-two".
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