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23112420000 = 253542937359
BaseRepresentation
bin10101100001100110…
…111000101010100000
32012122202002120211120
4111201212320222200
5334313234420000
614341231212240
71445514220455
oct254146705240
965582076746
1023112420000
1198903a425a
124590377080
132244460b87
1411937d382c
159041196a0
hex5619b8aa0

23112420000 has 480 divisors, whose sum is σ = 80771644800. Its totient is φ = 5773824000.

The previous prime is 23112419969. The next prime is 23112420061. The reversal of 23112420000 is 2421132.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 64379821 + ... + 64380179.

It is an arithmetic number, because the mean of its divisors is an integer number (168274260).

Almost surely, 223112420000 is an apocalyptic number.

23112420000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23112420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40385822400).

23112420000 is an abundant number, since it is smaller than the sum of its proper divisors (57659224800).

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

23112420000 is a wasteful number, since it uses less digits than its factorization.

23112420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23112420000 its reverse (2421132), we get a palindrome (23114841132).

The spelling of 23112420000 in words is "twenty-three billion, one hundred twelve million, four hundred twenty thousand".