Base | Representation |
---|---|
bin | 10110111000110111… |
… | …00001111101001000 |
3 | 1011201101022010212020 |
4 | 23130123201331020 |
5 | 200131230422310 |
6 | 5351201244440 |
7 | 613340313240 |
oct | 133433417510 |
9 | 34641263766 |
10 | 12288139080 |
11 | 5236374848 |
12 | 246b333720 |
13 | 120aa6ba19 |
14 | 847dc4b20 |
15 | 4bdbda170 |
hex | 2dc6e1f48 |
12288139080 has 64 divisors (see below), whose sum is σ = 42130765440. Its totient is φ = 2808717312.
The previous prime is 12288139027. The next prime is 12288139103. The reversal of 12288139080 is 8093188221.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7313529 + ... + 7315208.
It is an arithmetic number, because the mean of its divisors is an integer number (658293210).
Almost surely, 212288139080 is an apocalyptic number.
12288139080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12288139080 is an abundant number, since it is smaller than the sum of its proper divisors (29842626360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12288139080 is a wasteful number, since it uses less digits than its factorization.
12288139080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14628758 (or 14628754 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 42.
The spelling of 12288139080 in words is "twelve billion, two hundred eighty-eight million, one hundred thirty-nine thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •