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23021067888 = 24337313171937
BaseRepresentation
bin10101011100001010…
…011001111001110000
32012102101012102022000
4111130022121321300
5334121343133023
614324205214000
71443324564000
oct253412317160
965371172260
1023021067888
11984387a045
124565861300
13222b557680
141185614000
158eb0c2243
hex55c299e70

23021067888 has 1280 divisors, whose sum is σ = 94993920000. Its totient is φ = 5267275776.

The previous prime is 23021067887. The next prime is 23021067889. The reversal of 23021067888 is 88876012032.

It is an interprime number because it is at equal distance from previous prime (23021067887) and next prime (23021067889).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021067887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 622191006 + ... + 622191042.

It is an arithmetic number, because the mean of its divisors is an integer number (74214000).

Almost surely, 223021067888 is an apocalyptic number.

23021067888 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 23021067888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47496960000).

23021067888 is an abundant number, since it is smaller than the sum of its proper divisors (71972852112).

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

23021067888 is a wasteful number, since it uses less digits than its factorization.

23021067888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 23021067888 in words is "twenty-three billion, twenty-one million, sixty-seven thousand, eight hundred eighty-eight".