Base | Representation |
---|---|
bin | 10111100111100110… |
… | …00001010000010011 |
3 | 1012201200222111200212 |
4 | 23303303001100103 |
5 | 201432111010223 |
6 | 5454124034335 |
7 | 626140455062 |
oct | 136363012023 |
9 | 35650874625 |
10 | 12680172563 |
11 | 5417699363 |
12 | 255a6929ab |
13 | 12710511b6 |
14 | 8840b41d9 |
15 | 4e3328278 |
hex | 2f3cc1413 |
12680172563 has 8 divisors (see below), whose sum is σ = 12809911536. Its totient is φ = 12550516000.
The previous prime is 12680172539. The next prime is 12680172577. The reversal of 12680172563 is 36527108621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12680172563 - 230 = 11606430739 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 12680172563.
It is not an unprimeable number, because it can be changed into a prime (12680172523) 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, 316733 + ... + 354513.
It is an arithmetic number, because the mean of its divisors is an integer number (1601238942).
Almost surely, 212680172563 is an apocalyptic number.
12680172563 is a deficient number, since it is larger than the sum of its proper divisors (129738973).
12680172563 is a wasteful number, since it uses less digits than its factorization.
12680172563 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41205.
The product of its (nonzero) digits is 120960, while the sum is 41.
The spelling of 12680172563 in words is "twelve billion, six hundred eighty million, one hundred seventy-two thousand, five hundred sixty-three".
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