Base | Representation |
---|---|
bin | 11000001011101110… |
… | …10011100010000000 |
3 | 1020111211100021000022 |
4 | 30011313103202000 |
5 | 203042210122023 |
6 | 5544152513012 |
7 | 636511052306 |
oct | 140567234200 |
9 | 36454307008 |
10 | 12983285888 |
11 | 55627a9941 |
12 | 26240ab768 |
13 | 12bba9c0b1 |
14 | 8b2458276 |
15 | 50ec4e7c8 |
hex | 305dd3880 |
12983285888 has 32 divisors (see below), whose sum is σ = 25871211660. Its totient is φ = 6490119168.
The previous prime is 12983285867. The next prime is 12983285897. The reversal of 12983285888 is 88858238921.
It can be written as a sum of positive squares in 2 ways, for example, as 12866818624 + 116467264 = 113432^2 + 10792^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-3 number, since 3×129832858883 (a number of 31 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12983285888.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702170 + ... + 720422.
Almost surely, 212983285888 is an apocalyptic number.
It is an amenable number.
12983285888 is a deficient number, since it is larger than the sum of its proper divisors (12887925772).
12983285888 is an equidigital number, since it uses as much as digits as its factorization.
12983285888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23824 (or 23812 counting only the distinct ones).
The product of its digits is 17694720, while the sum is 62.
The spelling of 12983285888 in words is "twelve billion, nine hundred eighty-three million, two hundred eighty-five thousand, eight hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •