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23088885420 = 2235384814757
BaseRepresentation
bin10101100000001101…
…000110111010101100
32012121002210220110110
4111200031012322230
5334241223313140
614335030540020
71445110200516
oct254015067254
965532726413
1023088885420
11987908a397
124584507610
13223c6109a3
141190628bb6
1590201b380
hex560346eac

23088885420 has 24 divisors (see below), whose sum is σ = 64648879344. Its totient is φ = 6157036096.

The previous prime is 23088885377. The next prime is 23088885437. The reversal of 23088885420 is 2458888032.

It is a self number, because there is not a number n which added to its sum of digits gives 23088885420.

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, 192407319 + ... + 192407438.

It is an arithmetic number, because the mean of its divisors is an integer number (2693703306).

Almost surely, 223088885420 is an apocalyptic number.

23088885420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23088885420 is an abundant number, since it is smaller than the sum of its proper divisors (41559993924).

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

23088885420 is a wasteful number, since it uses less digits than its factorization.

23088885420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384814769 (or 384814767 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 48.

The spelling of 23088885420 in words is "twenty-three billion, eighty-eight million, eight hundred eighty-five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 384814757 769629514 1154444271 1539259028 1924073785 2308888542 3848147570 4617777084 5772221355 7696295140 11544442710 23088885420