Base | Representation |
---|---|
bin | 11010111110001010… |
… | …101010000101000000 |
3 | 2202202021212002001001 |
4 | 122332022222011000 |
5 | 433302312043413 |
6 | 21145411021344 |
7 | 2043443135665 |
oct | 327612520500 |
9 | 82667762031 |
10 | 28960268608 |
11 | 11311353497 |
12 | 574289a854 |
13 | 2966b5671b |
14 | 158a317a6c |
15 | b476ea4dd |
hex | 6be2aa140 |
28960268608 has 56 divisors (see below), whose sum is σ = 59699347200. Its totient is φ = 13922108928.
The previous prime is 28960268593. The next prime is 28960268627. The reversal of 28960268608 is 80686206982.
It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410941 + ... + 476227.
Almost surely, 228960268608 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28960268608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29849673600).
28960268608 is an abundant number, since it is smaller than the sum of its proper divisors (30739078592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28960268608 is a wasteful number, since it uses less digits than its factorization.
28960268608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65567 (or 65557 counting only the distinct ones).
The product of its (nonzero) digits is 3981312, while the sum is 55.
The spelling of 28960268608 in words is "twenty-eight billion, nine hundred sixty million, two hundred sixty-eight thousand, six hundred eight".
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