Base | Representation |
---|---|
bin | 10111111001101010… |
… | …11100111110000100 |
3 | 1020010021022020201202 |
4 | 23330311130332010 |
5 | 202234420232231 |
6 | 5521142042032 |
7 | 632661355061 |
oct | 137465347604 |
9 | 36107266652 |
10 | 12831805316 |
11 | 5495246290 |
12 | 25a1419318 |
13 | 12965a2315 |
14 | 89a2a5c68 |
15 | 5017cb5cb |
hex | 2fcd5cf84 |
12831805316 has 24 divisors (see below), whose sum is σ = 24647385504. Its totient is φ = 5796852480.
The previous prime is 12831805303. The next prime is 12831805331. The reversal of 12831805316 is 61350813821.
It is a self number, because there is not a number n which added to its sum of digits gives 12831805316.
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, 887405 + ... + 901748.
It is an arithmetic number, because the mean of its divisors is an integer number (1026974396).
Almost surely, 212831805316 is an apocalyptic number.
It is an amenable number.
12831805316 is a deficient number, since it is larger than the sum of its proper divisors (11815580188).
12831805316 is a wasteful number, since it uses less digits than its factorization.
12831805316 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1789331 (or 1789329 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 38.
The spelling of 12831805316 in words is "twelve billion, eight hundred thirty-one million, eight hundred five thousand, three hundred sixteen".
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