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28927457106 = 2316390732611
BaseRepresentation
bin11010111100001101…
…011111011101010010
32202200000010002010020
4122330031133131102
5433220412111411
621142235444310
72042564220432
oct327415373522
982600102106
1028927457106
11112a4882749
1257338b6696
132960108b32
141585c162c2
15b448b8606
hex6bc35f752

28927457106 has 32 divisors (see below), whose sum is σ = 58275817728. Its totient is φ = 9572469840.

The previous prime is 28927457101. The next prime is 28927457107. The reversal of 28927457106 is 60175472982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28927457101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870741 + ... + 903351.

It is an arithmetic number, because the mean of its divisors is an integer number (1821119304).

Almost surely, 228927457106 is an apocalyptic number.

28927457106 is an abundant number, since it is smaller than the sum of its proper divisors (29348360622).

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

28927457106 is a wasteful number, since it uses less digits than its factorization.

28927457106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33686.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 28927457106 in words is "twenty-eight billion, nine hundred twenty-seven million, four hundred fifty-seven thousand, one hundred six".

Divisors: 1 2 3 6 163 326 489 907 978 1814 2721 5442 32611 65222 97833 147841 195666 295682 443523 887046 5315593 10631186 15946779 29578177 31893558 59156354 88734531 177469062 4821242851 9642485702 14463728553 28927457106