Base | Representation |
---|---|
bin | 10111110010111001… |
… | …11010000100111000 |
3 | 1012222022111020101021 |
4 | 23321130322010320 |
5 | 202130402224123 |
6 | 5511353232224 |
7 | 631402020334 |
oct | 137134720470 |
9 | 35868436337 |
10 | 12775039288 |
11 | 54661a4110 |
12 | 2586402674 |
13 | 12878b835b |
14 | 89292a7c4 |
15 | 4eb816c5d |
hex | 2f973a138 |
12775039288 has 32 divisors (see below), whose sum is σ = 26445605760. Its totient is φ = 5736870880.
The previous prime is 12775039273. The next prime is 12775039349. The reversal of 12775039288 is 88293057721.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867220 + ... + 881827.
It is an arithmetic number, because the mean of its divisors is an integer number (826425180).
Almost surely, 212775039288 is an apocalyptic number.
It is an amenable number.
12775039288 is an abundant number, since it is smaller than the sum of its proper divisors (13670566472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12775039288 is a wasteful number, since it uses less digits than its factorization.
12775039288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1749147 (or 1749143 counting only the distinct ones).
The product of its (nonzero) digits is 1693440, while the sum is 52.
The spelling of 12775039288 in words is "twelve billion, seven hundred seventy-five million, thirty-nine thousand, two hundred eighty-eight".
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