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23115710828 = 227825561101
BaseRepresentation
bin10101100001110011…
…011100000101101100
32012122222021210000002
4111201303130011230
5334320110221303
614341425523432
71445554204640
oct254163340554
965588253002
1023115710828
119892241751
1245914a3578
132245043a02
14119400cc20
15904569788
hex561cdc16c

23115710828 has 12 divisors (see below), whose sum is σ = 46231421712. Its totient is φ = 9906733200.

The previous prime is 23115710797. The next prime is 23115710837. The reversal of 23115710828 is 82801751132.

23115710828 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23115710791 and 23115710800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412780523 + ... + 412780578.

It is an arithmetic number, because the mean of its divisors is an integer number (3852618476).

Almost surely, 223115710828 is an apocalyptic number.

23115710828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23115710828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23115710828 is a wasteful number, since it uses less digits than its factorization.

23115710828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825561112 (or 825561110 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 23115710828 in words is "twenty-three billion, one hundred fifteen million, seven hundred ten thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 825561101 1651122202 3302244404 5778927707 11557855414 23115710828