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23032809240 = 23357199227607
BaseRepresentation
bin10101011100110111…
…001100011100011000
32012110012021221101220
4111130313030130120
5334132344343430
614325305012040
71443526435230
oct253467143430
965405257356
1023032809240
11984a469541
124569784020
132230b08a0c
141186dcccc0
158ec141110
hex55cdcc718

23032809240 has 256 divisors, whose sum is σ = 79847424000. Its totient is φ = 5206519296.

The previous prime is 23032809203. The next prime is 23032809251. The reversal of 23032809240 is 4290823032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37945017 + ... + 37945623.

It is an arithmetic number, because the mean of its divisors is an integer number (311904000).

Almost surely, 223032809240 is an apocalyptic number.

23032809240 is a gapful number since it is divisible by the number (20) 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 23032809240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39923712000).

23032809240 is an abundant number, since it is smaller than the sum of its proper divisors (56814614760).

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

23032809240 is a wasteful number, since it uses less digits than its factorization.

23032809240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 23032809240 in words is "twenty-three billion, thirty-two million, eight hundred nine thousand, two hundred forty".