Base | Representation |
---|---|
bin | 10111110010000110… |
… | …00110111100000000 |
3 | 1012221211202122012102 |
4 | 23321003012330000 |
5 | 202122134314344 |
6 | 5510552245532 |
7 | 631260362054 |
oct | 137103067400 |
9 | 35854678172 |
10 | 12768276224 |
11 | 54623a4a00 |
12 | 25840a08a8 |
13 | 128638ac42 |
14 | 891a89c64 |
15 | 4eae2ce4e |
hex | 2f90c6f00 |
12768276224 has 108 divisors (see below), whose sum is σ = 29663402832. Its totient is φ = 5462138880.
The previous prime is 12768276193. The next prime is 12768276233. The reversal of 12768276224 is 42267286721.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 514469 + ... + 538715.
Almost surely, 212768276224 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 12768276224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14831701416).
12768276224 is an abundant number, since it is smaller than the sum of its proper divisors (16895126608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12768276224 is a wasteful number, since it uses less digits than its factorization.
12768276224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24302 (or 24277 counting only the distinct ones).
The product of its digits is 903168, while the sum is 47.
The spelling of 12768276224 in words is "twelve billion, seven hundred sixty-eight million, two hundred seventy-six thousand, two hundred twenty-four".
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