Base | Representation |
---|---|
bin | 10111111110101011… |
… | …00111111011001110 |
3 | 1020020012022110022200 |
4 | 23333111213323032 |
5 | 202331142340410 |
6 | 5525242022330 |
7 | 634011302604 |
oct | 137725477316 |
9 | 36205273280 |
10 | 12873793230 |
11 | 5506a14441 |
12 | 25b34a79a6 |
13 | 12a21b393c |
14 | 8a1ab5874 |
15 | 5053223c0 |
hex | 2ff567ece |
12873793230 has 48 divisors (see below), whose sum is σ = 33502304160. Its totient is φ = 3429889344.
The previous prime is 12873793223. The next prime is 12873793241. The reversal of 12873793230 is 3239737821.
12873793230 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35319 + ... + 164301.
It is an arithmetic number, because the mean of its divisors is an integer number (697964670).
Almost surely, 212873793230 is an apocalyptic number.
12873793230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12873793230 is an abundant number, since it is smaller than the sum of its proper divisors (20628510930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12873793230 is a wasteful number, since it uses less digits than its factorization.
12873793230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130105 (or 130102 counting only the distinct ones).
The product of its (nonzero) digits is 381024, while the sum is 45.
The spelling of 12873793230 in words is "twelve billion, eight hundred seventy-three million, seven hundred ninety-three thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •