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22664704608 = 253473133753
BaseRepresentation
bin10101000110111010…
…111111001001100000
32011111112122021210000
4111012322333021200
5332404131021413
614224555140000
71431436545000
oct250672771140
964445567700
1022664704608
1196806a9037
124486444600
1321a2784020
14115016c000
158c9b7d073
hex546ebf260

22664704608 has 960 divisors, whose sum is σ = 87597417600. Its totient is φ = 5706215424.

The previous prime is 22664704577. The next prime is 22664704613. The reversal of 22664704608 is 80640746622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 427635910 + ... + 427635962.

It is an arithmetic number, because the mean of its divisors is an integer number (91247310).

Almost surely, 222664704608 is an apocalyptic number.

22664704608 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 22664704608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43798708800).

22664704608 is an abundant number, since it is smaller than the sum of its proper divisors (64932712992).

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

22664704608 is a wasteful number, since it uses less digits than its factorization.

22664704608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 22664704608 in words is "twenty-two billion, six hundred sixty-four million, seven hundred four thousand, six hundred eight".