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23091790888 = 2313920765999
BaseRepresentation
bin10101100000011000…
…001100010000101000
32012121022021112000101
4111200120030100220
5334242444302023
614335213115144
71445143661335
oct254030142050
965538245011
1023091790888
11987a794301
124585488ab4
1322400ba2ba
141190b8398c
159023e21ad
hex56060c428

23091790888 has 16 divisors (see below), whose sum is σ = 43608600000. Its totient is φ = 11462830896.

The previous prime is 23091790873. The next prime is 23091790921. The reversal of 23091790888 is 88809719032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10381888 + ... + 10384111.

It is an arithmetic number, because the mean of its divisors is an integer number (2725537500).

Almost surely, 223091790888 is an apocalyptic number.

It is an amenable number.

23091790888 is a deficient number, since it is larger than the sum of its proper divisors (20516809112).

23091790888 is a wasteful number, since it uses less digits than its factorization.

23091790888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766144 (or 20766140 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 23091790888 in words is "twenty-three billion, ninety-one million, seven hundred ninety thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 139 278 556 1112 20765999 41531998 83063996 166127992 2886473861 5772947722 11545895444 23091790888