Base | Representation |
---|---|
bin | 10111110011000000… |
… | …01010001110001000 |
3 | 1012222101002112212120 |
4 | 23321200022032020 |
5 | 202131112014343 |
6 | 5511423411240 |
7 | 631412201046 |
oct | 137140121610 |
9 | 35871075776 |
10 | 12775891848 |
11 | 5466726705 |
12 | 2586753b20 |
13 | 1287b26425 |
14 | 892aad396 |
15 | 4eb934683 |
hex | 2f980a388 |
12775891848 has 16 divisors (see below), whose sum is σ = 31939729680. Its totient is φ = 4258630608.
The previous prime is 12775891829. The next prime is 12775891861. The reversal of 12775891848 is 84819857721.
It is a junction number, because it is equal to n+sod(n) for n = 12775891791 and 12775891800.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266164390 + ... + 266164437.
It is an arithmetic number, because the mean of its divisors is an integer number (1996233105).
Almost surely, 212775891848 is an apocalyptic number.
It is an amenable number.
12775891848 is an abundant number, since it is smaller than the sum of its proper divisors (19163837832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12775891848 is a wasteful number, since it uses less digits than its factorization.
12775891848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 532328836 (or 532328832 counting only the distinct ones).
The product of its digits is 9031680, while the sum is 60.
The spelling of 12775891848 in words is "twelve billion, seven hundred seventy-five million, eight hundred ninety-one thousand, eight hundred forty-eight".
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