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23408791008 = 25319101283449
BaseRepresentation
bin10101110011010001…
…011100110111100000
32020102101202210102120
4111303101130313200
5340420122303013
614430455344240
71456043304051
oct256321346740
966371683376
1023408791008
119a2271a179
124653682080
13229098ac35
1411c0d00728
1592015d123
hex57345cde0

23408791008 has 192 divisors, whose sum is σ = 65699424000. Its totient is φ = 7276953600.

The previous prime is 23408790943. The next prime is 23408791031. The reversal of 23408791008 is 80019780432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52135168 + ... + 52135616.

It is an arithmetic number, because the mean of its divisors is an integer number (342184500).

Almost surely, 223408791008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23408791008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32849712000).

23408791008 is an abundant number, since it is smaller than the sum of its proper divisors (42290632992).

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

23408791008 is a wasteful number, since it uses less digits than its factorization.

23408791008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 23408791008 in words is "twenty-three billion, four hundred eight million, seven hundred ninety-one thousand, eight".