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28960268608 = 262923965287
BaseRepresentation
bin11010111110001010…
…101010000101000000
32202202021212002001001
4122332022222011000
5433302312043413
621145411021344
72043443135665
oct327612520500
982667762031
1028960268608
1111311353497
12574289a854
132966b5671b
14158a317a6c
15b476ea4dd
hex6be2aa140

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".

Divisors: 1 2 4 8 16 29 32 58 64 116 232 239 464 478 928 956 1856 1912 3824 6931 7648 13862 15296 27724 55448 65287 110896 130574 221792 261148 443584 522296 1044592 1893323 2089184 3786646 4178368 7573292 15146584 15603593 30293168 31207186 60586336 62414372 121172672 124828744 249657488 452504197 499314976 905008394 998629952 1810016788 3620033576 7240067152 14480134304 28960268608