Base | Representation |
---|---|
bin | 10111110011110001… |
… | …00111010111010000 |
3 | 1012222211011020212111 |
4 | 23321320213113100 |
5 | 202134232141142 |
6 | 5512213035104 |
7 | 631520531356 |
oct | 137170472720 |
9 | 35884136774 |
10 | 12782302672 |
11 | 546a305207 |
12 | 2588925a94 |
13 | 128925c409 |
14 | 89389b7d6 |
15 | 4ec29de17 |
hex | 2f9e275d0 |
12782302672 has 20 divisors (see below), whose sum is σ = 25114526496. Its totient is φ = 6301134560.
The previous prime is 12782302667. The next prime is 12782302681. The reversal of 12782302672 is 27620328721.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 5624878 + ... + 5627149.
Almost surely, 212782302672 is an apocalyptic number.
It is an amenable number.
12782302672 is a deficient number, since it is larger than the sum of its proper divisors (12332223824).
12782302672 is a wasteful number, since it uses less digits than its factorization.
12782302672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11252106 (or 11252100 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 40.
The spelling of 12782302672 in words is "twelve billion, seven hundred eighty-two million, three hundred two thousand, six hundred seventy-two".
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