Base | Representation |
---|---|
bin | 10111110010111001… |
… | …10011111000000001 |
3 | 1012222022102221112120 |
4 | 23321130303320001 |
5 | 202130400421024 |
6 | 5511352514453 |
7 | 631401553311 |
oct | 137134637001 |
9 | 35868387476 |
10 | 12775013889 |
11 | 5466187020 |
12 | 25863aba29 |
13 | 12878a9921 |
14 | 892921441 |
15 | 4eb80e479 |
hex | 2f9733e01 |
12775013889 has 8 divisors (see below), whose sum is σ = 18581838432. Its totient is φ = 7742432640.
The previous prime is 12775013887. The next prime is 12775013893. The reversal of 12775013889 is 98831057721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12775013889 - 21 = 12775013887 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12775013887) 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, 193560784 + ... + 193560849.
It is an arithmetic number, because the mean of its divisors is an integer number (2322729804).
Almost surely, 212775013889 is an apocalyptic number.
It is an amenable number.
12775013889 is a deficient number, since it is larger than the sum of its proper divisors (5806824543).
12775013889 is a wasteful number, since it uses less digits than its factorization.
12775013889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387121647.
The product of its (nonzero) digits is 846720, while the sum is 51.
The spelling of 12775013889 in words is "twelve billion, seven hundred seventy-five million, thirteen thousand, eight hundred eighty-nine".
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