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23251028808 = 2337323373319
BaseRepresentation
bin10101101001110111…
…101000101101001000
32020000101220122101010
4111221313220231020
5340104230410213
614403102123520
71452116325000
oct255167505510
966011818333
1023251028808
119951666097
12460a8805a0
1322670a1c17
1411a7d95000
15911398ac3
hex569de8b48

23251028808 has 256 divisors, whose sum is σ = 72668160000. Its totient is φ = 6180717312.

The previous prime is 23251028807. The next prime is 23251028873. The reversal of 23251028808 is 80882015232.

It is a happy number.

It is a super-2 number, since 2×232510288082 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23251028803) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7003773 + ... + 7007091.

It is an arithmetic number, because the mean of its divisors is an integer number (283860000).

Almost surely, 223251028808 is an apocalyptic number.

23251028808 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 23251028808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36334080000).

23251028808 is an abundant number, since it is smaller than the sum of its proper divisors (49417131192).

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

23251028808 is a wasteful number, since it uses less digits than its factorization.

23251028808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409 (or 3391 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 23251028808 in words is "twenty-three billion, two hundred fifty-one million, twenty-eight thousand, eight hundred eight".