Base | Representation |
---|---|
bin | 10111111100110111… |
… | …01101101110000101 |
3 | 1020012010202012102121 |
4 | 23332123231232011 |
5 | 202313301100423 |
6 | 5523540405541 |
7 | 633435255340 |
oct | 137633555605 |
9 | 36163665377 |
10 | 12858612613 |
11 | 54a9395a80 |
12 | 25aa3a68b1 |
13 | 129bcca022 |
14 | 89da83457 |
15 | 503d2445d |
hex | 2fe6edb85 |
12858612613 has 8 divisors (see below), whose sum is σ = 16031517120. Its totient is φ = 10019698080.
The previous prime is 12858612551. The next prime is 12858612619. The reversal of 12858612613 is 31621685821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-12858612613 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12858612613.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12858612619) 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, 83497408 + ... + 83497561.
It is an arithmetic number, because the mean of its divisors is an integer number (2003939640).
Almost surely, 212858612613 is an apocalyptic number.
It is an amenable number.
12858612613 is a deficient number, since it is larger than the sum of its proper divisors (3172904507).
12858612613 is a wasteful number, since it uses less digits than its factorization.
12858612613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166994987.
The product of its digits is 138240, while the sum is 43.
The spelling of 12858612613 in words is "twelve billion, eight hundred fifty-eight million, six hundred twelve thousand, six hundred thirteen".
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