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28927624208 = 247318331689
BaseRepresentation
bin11010111100001110…
…001000010000010000
32202200000102120100012
4122330032020100100
5433220432433313
621142243214052
72042565514550
oct327416102020
982600376305
1028927624208
11112a498724a
125733977328
132960166c02
141585c5b160
15b448ecda8
hex6bc388410

28927624208 has 40 divisors (see below), whose sum is σ = 66120291840. Its totient is φ = 11997630720.

The previous prime is 28927624189. The next prime is 28927624211. The reversal of 28927624208 is 80242672982.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4162373 + ... + 4169316.

It is an arithmetic number, because the mean of its divisors is an integer number (1653007296).

Almost surely, 228927624208 is an apocalyptic number.

28927624208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28927624208 is an abundant number, since it is smaller than the sum of its proper divisors (37192667632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28927624208 is a wasteful number, since it uses less digits than its factorization.

28927624208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331735 (or 8331729 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 28927624208 in words is "twenty-eight billion, nine hundred twenty-seven million, six hundred twenty-four thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 16 28 31 56 62 112 124 217 248 434 496 868 1736 3472 8331689 16663378 33326756 58321823 66653512 116643646 133307024 233287292 258282359 466574584 516564718 933149168 1033129436 1807976513 2066258872 3615953026 4132517744 7231906052 14463812104 28927624208