Base | Representation |
---|---|
bin | 11010110101101100… |
… | …001101000010010000 |
3 | 2202101101021111221001 |
4 | 122311230031002100 |
5 | 433004411130400 |
6 | 21123331111344 |
7 | 2040065350540 |
oct | 326554150220 |
9 | 82341244831 |
10 | 28818067600 |
11 | 112490587a3 |
12 | 5703142554 |
13 | 294355860a |
14 | 157549d320 |
15 | b39eaba6a |
hex | 6b5b0d090 |
28818067600 has 120 divisors (see below), whose sum is σ = 83290869440. Its totient is φ = 9360437760.
The previous prime is 28818067561. The next prime is 28818067609. The reversal of 28818067600 is 676081882.
It is not an unprimeable number, because it can be changed into a prime (28818067609) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217647 + ... + 324046.
Almost surely, 228818067600 is an apocalyptic number.
28818067600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28818067600 is an abundant number, since it is smaller than the sum of its proper divisors (54472801840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28818067600 is a wasteful number, since it uses less digits than its factorization.
28818067600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 541737 (or 541726 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 46.
The spelling of 28818067600 in words is "twenty-eight billion, eight hundred eighteen million, sixty-seven thousand, six hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •