Base | Representation |
---|---|
bin | 1011101000000101001100… |
… | …1110001001000000000100 |
3 | 1200021001201111121001201122 |
4 | 2322001103032021000010 |
5 | 3133420013013414313 |
6 | 43104310225013112 |
7 | 2456362036510562 |
oct | 272012316110004 |
9 | 50231644531648 |
10 | 12783218888708 |
11 | 4089372894284 |
12 | 1525582184198 |
13 | 7195b5b147b8 |
14 | 3229d5362a32 |
15 | 1727c2d76708 |
hex | ba053389004 |
12783218888708 has 48 divisors (see below), whose sum is σ = 23426667331200. Its totient is φ = 6091885772544.
The previous prime is 12783218888707. The next prime is 12783218888711. The reversal of 12783218888708 is 80788881238721.
It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (12783218888701) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77638166 + ... + 77802642.
It is an arithmetic number, because the mean of its divisors is an integer number (488055569400).
Almost surely, 212783218888708 is an apocalyptic number.
It is an amenable number.
12783218888708 is a deficient number, since it is larger than the sum of its proper divisors (10643448442492).
12783218888708 is a wasteful number, since it uses less digits than its factorization.
12783218888708 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167516 (or 167514 counting only the distinct ones).
The product of its (nonzero) digits is 154140672, while the sum is 71.
The spelling of 12783218888708 in words is "twelve trillion, seven hundred eighty-three billion, two hundred eighteen million, eight hundred eighty-eight thousand, seven hundred eight".
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