Base | Representation |
---|---|
bin | 11010110010011001… |
… | …101101001111001000 |
3 | 2202020112110001112021 |
4 | 122302121231033020 |
5 | 432401244341422 |
6 | 21114040254224 |
7 | 2035525335511 |
oct | 326231551710 |
9 | 82215401467 |
10 | 28762887112 |
11 | 1121a999893 |
12 | 56a8771374 |
13 | 2934ca823b |
14 | 156c017a08 |
15 | b3520bdc7 |
hex | 6b266d3c8 |
28762887112 has 128 divisors (see below), whose sum is σ = 59570380800. Its totient is φ = 12965478400.
The previous prime is 28762887089. The next prime is 28762887121. The reversal of 28762887112 is 21178826782.
It is a self number, because there is not a number n which added to its sum of digits gives 28762887112.
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, 120346689 + ... + 120346927.
It is an arithmetic number, because the mean of its divisors is an integer number (465393600).
Almost surely, 228762887112 is an apocalyptic number.
It is an amenable number.
28762887112 is an abundant number, since it is smaller than the sum of its proper divisors (30807493688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28762887112 is a wasteful number, since it uses less digits than its factorization.
28762887112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 607 (or 603 counting only the distinct ones).
The product of its digits is 1204224, while the sum is 52.
The spelling of 28762887112 in words is "twenty-eight billion, seven hundred sixty-two million, eight hundred eighty-seven thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •