Base | Representation |
---|---|
bin | 11010110010010000… |
… | …111011100101001000 |
3 | 2202020101010011202221 |
4 | 122302100323211020 |
5 | 432400202232233 |
6 | 21113515103424 |
7 | 2035466644420 |
oct | 326220734510 |
9 | 82211104687 |
10 | 28760586568 |
11 | 1121966840a |
12 | 56a7a41b74 |
13 | 293468107c |
14 | 156b9b9480 |
15 | b34e0542d |
hex | 6b243b948 |
28760586568 has 16 divisors (see below), whose sum is σ = 61629828480. Its totient is φ = 12325965648.
The previous prime is 28760586563. The next prime is 28760586599. The reversal of 28760586568 is 86568506782.
It is not an unprimeable number, because it can be changed into a prime (28760586563) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256790896 + ... + 256791007.
It is an arithmetic number, because the mean of its divisors is an integer number (3851864280).
Almost surely, 228760586568 is an apocalyptic number.
28760586568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
28760586568 is an abundant number, since it is smaller than the sum of its proper divisors (32869241912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28760586568 is a wasteful number, since it uses less digits than its factorization.
28760586568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 513581916 (or 513581912 counting only the distinct ones).
The product of its (nonzero) digits is 38707200, while the sum is 61.
The spelling of 28760586568 in words is "twenty-eight billion, seven hundred sixty million, five hundred eighty-six thousand, five hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.109 sec. • engine limits •