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22992566688 = 253671310831
BaseRepresentation
bin10101011010011101…
…101011100110100000
32012100101120102000000
4111122131223212200
5334042044113223
614321310300000
71442530410060
oct253235534640
965311512000
1022992566688
119829782733
1245581b7600
132225688960
1411819153a0
158e8842543
hex55a76b9a0

22992566688 has 336 divisors, whose sum is σ = 83538637056. Its totient is φ = 6063413760.

The previous prime is 22992566671. The next prime is 22992566693. The reversal of 22992566688 is 88666529922.

It is a Cunningham number, because it is equal to 1516332-1.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2117433 + ... + 2128263.

It is an arithmetic number, because the mean of its divisors is an integer number (248626896).

Almost surely, 222992566688 is an apocalyptic number.

22992566688 is a gapful number since it is divisible by the number (28) 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 22992566688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41769318528).

22992566688 is an abundant number, since it is smaller than the sum of its proper divisors (60546070368).

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

22992566688 is a wasteful number, since it uses less digits than its factorization.

22992566688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10879 (or 10856 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 22992566688 in words is "twenty-two billion, nine hundred ninety-two million, five hundred sixty-six thousand, six hundred eighty-eight".