Base | Representation |
---|---|
bin | 10111111110101011… |
… | …01111010111001111 |
3 | 1020020012101000010000 |
4 | 23333111233113033 |
5 | 202331144324240 |
6 | 5525242415343 |
7 | 634011460455 |
oct | 137725572717 |
9 | 36205330100 |
10 | 12873823695 |
11 | 5506a35317 |
12 | 25b3501553 |
13 | 12a21c4775 |
14 | 8a1ac29d5 |
15 | 50532b430 |
hex | 2ff56f5cf |
12873823695 has 80 divisors (see below), whose sum is σ = 24911789760. Its totient is φ = 6340916736.
The previous prime is 12873823691. The next prime is 12873823889. The reversal of 12873823695 is 59632837821.
It is not a de Polignac number, because 12873823695 - 22 = 12873823691 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12873823691) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 246307 + ... + 293963.
It is an arithmetic number, because the mean of its divisors is an integer number (311397372).
Almost surely, 212873823695 is an apocalyptic number.
12873823695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12873823695 is a deficient number, since it is larger than the sum of its proper divisors (12037966065).
12873823695 is a wasteful number, since it uses less digits than its factorization.
12873823695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47726 (or 47717 counting only the distinct ones).
The product of its digits is 4354560, while the sum is 54.
The spelling of 12873823695 in words is "twelve billion, eight hundred seventy-three million, eight hundred twenty-three thousand, six hundred ninety-five".
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