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22689027504 = 243311213173193
BaseRepresentation
bin10101001000010111…
…110001010110110000
32011120020102000112000
4111020113301112300
5332431342340004
614231224334000
71432153360143
oct251027612660
964506360460
1022689027504
119693401200
124492614300
1321a781bc80
1411534a005a
158cbd84c39
hex5485f15b0

22689027504 has 480 divisors, whose sum is σ = 77938553280. Its totient is φ = 6277201920.

The previous prime is 22689027497. The next prime is 22689027521. The reversal of 22689027504 is 40572098622.

It is a self number, because there is not a number n which added to its sum of digits gives 22689027504.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 117559632 + ... + 117559824.

It is an arithmetic number, because the mean of its divisors is an integer number (162371986).

Almost surely, 222689027504 is an apocalyptic number.

22689027504 is a gapful number since it is divisible by the number (24) 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 22689027504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38969276640).

22689027504 is an abundant number, since it is smaller than the sum of its proper divisors (55249525776).

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

22689027504 is a wasteful number, since it uses less digits than its factorization.

22689027504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 22689027504 in words is "twenty-two billion, six hundred eighty-nine million, twenty-seven thousand, five hundred four".