Base | Representation |
---|---|
bin | 11010000110010101… |
… | …111101101110111000 |
3 | 2200100000112220020100 |
4 | 122012111331232320 |
5 | 424343032133400 |
6 | 20512433155400 |
7 | 2011311410226 |
oct | 320625755670 |
9 | 80300486210 |
10 | 28023708600 |
11 | 10980720058 |
12 | 55210bbb60 |
13 | 2847acc1c4 |
14 | 14dbba1b16 |
15 | ae039b100 |
hex | 68657dbb8 |
28023708600 has 144 divisors (see below), whose sum is σ = 97149049920. Its totient is φ = 7231910400.
The previous prime is 28023708577. The next prime is 28023708613. The reversal of 28023708600 is 680732082.
It is a happy number.
28023708600 is a `hidden beast` number, since 28 + 0 + 23 + 7 + 0 + 8 + 600 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 195309 + ... + 306908.
It is an arithmetic number, because the mean of its divisors is an integer number (674646180).
Almost surely, 228023708600 is an apocalyptic number.
28023708600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28023708600 is an abundant number, since it is smaller than the sum of its proper divisors (69125341320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28023708600 is a wasteful number, since it uses less digits than its factorization.
28023708600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 502270 (or 502258 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The spelling of 28023708600 in words is "twenty-eight billion, twenty-three million, seven hundred eight thousand, six hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •