Base | Representation |
---|---|
bin | 10111101001000110… |
… | …11101110110110000 |
3 | 1012202120212201220111 |
4 | 23310203131312300 |
5 | 201443333410444 |
6 | 5455300151104 |
7 | 626353431355 |
oct | 136443356660 |
9 | 35676781814 |
10 | 12692872624 |
11 | 5423883083 |
12 | 2562998494 |
13 | 1273879a23 |
14 | 885a5c62c |
15 | 4e44d6234 |
hex | 2f48dddb0 |
12692872624 has 50 divisors (see below), whose sum is σ = 25441771300. Its totient is φ = 6134562720.
The previous prime is 12692872579. The next prime is 12692872663. The reversal of 12692872624 is 42627829621.
It is a super-2 number, since 2×126928726242 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14775907 + ... + 14776765.
It is an arithmetic number, because the mean of its divisors is an integer number (508835426).
Almost surely, 212692872624 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12692872624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12720885650).
12692872624 is an abundant number, since it is smaller than the sum of its proper divisors (12748898676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12692872624 is an frugal number, since it uses more digits than its factorization.
12692872624 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 991 (or 892 counting only the distinct ones).
The product of its digits is 1161216, while the sum is 49.
The spelling of 12692872624 in words is "twelve billion, six hundred ninety-two million, eight hundred seventy-two thousand, six hundred twenty-four".
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