Base | Representation |
---|---|
bin | 10111101000101111… |
… | …00011111101001100 |
3 | 1012202101000012001112 |
4 | 23310113203331030 |
5 | 201442034030014 |
6 | 5455105231152 |
7 | 626315053115 |
oct | 136427437514 |
9 | 35671005045 |
10 | 12689751884 |
11 | 5422041457 |
12 | 25619324b8 |
13 | 1273026434 |
14 | 88548920c |
15 | 4e40bb73e |
hex | 2f45e3f4c |
12689751884 has 12 divisors (see below), whose sum is σ = 22414609224. Its totient is φ = 6285577824.
The previous prime is 12689751883. The next prime is 12689751911. The reversal of 12689751884 is 48815798621.
It is a super-3 number, since 3×126897518843 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (12689751883) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14824049 + ... + 14824904.
It is an arithmetic number, because the mean of its divisors is an integer number (1867884102).
Almost surely, 212689751884 is an apocalyptic number.
It is an amenable number.
12689751884 is a deficient number, since it is larger than the sum of its proper divisors (9724857340).
12689751884 is a wasteful number, since it uses less digits than its factorization.
12689751884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29649064 (or 29649062 counting only the distinct ones).
The product of its digits is 7741440, while the sum is 59.
The spelling of 12689751884 in words is "twelve billion, six hundred eighty-nine million, seven hundred fifty-one thousand, eight hundred eighty-four".
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