Base | Representation |
---|---|
bin | 110101101101111011… |
… | …101010001101100110 |
3 | 12111212202002021100221 |
4 | 311231323222031212 |
5 | 1421111301241130 |
6 | 42255231354554 |
7 | 4111223552035 |
oct | 655573521546 |
9 | 174782067327 |
10 | 57678930790 |
11 | 22509286448 |
12 | b218682a5a |
13 | 5592919060 |
14 | 2b124dc71c |
15 | 1778abd87a |
hex | d6deea366 |
57678930790 has 64 divisors (see below), whose sum is σ = 114727596480. Its totient is φ = 20742543360.
The previous prime is 57678930737. The next prime is 57678930839. The reversal of 57678930790 is 9703987675.
It is a super-2 number, since 2×576789307902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3279841 + ... + 3297379.
It is an arithmetic number, because the mean of its divisors is an integer number (1792618695).
Almost surely, 257678930790 is an apocalyptic number.
57678930790 is a deficient number, since it is larger than the sum of its proper divisors (57048665690).
57678930790 is a wasteful number, since it uses less digits than its factorization.
57678930790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18217.
The product of its (nonzero) digits is 20003760, while the sum is 61.
The spelling of 57678930790 in words is "fifty-seven billion, six hundred seventy-eight million, nine hundred thirty thousand, seven hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •