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23391424000 = 2953727459
BaseRepresentation
bin10101110010001111…
…001100111000000000
32020101012002110101001
4111302033030320000
5340401201032000
614425035221344
71455442552300
oct256217147000
966335073331
1023391424000
119a1393807a
1246498a7854
13228a1ba0b9
1411bc89d600
1591d87c46a
hex5723cce00

23391424000 has 240 divisors, whose sum is σ = 67860009360. Its totient is φ = 8018841600.

The previous prime is 23391423961. The next prime is 23391424009. The reversal of 23391424000 is 42419332.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 23391424000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23391424009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3132271 + ... + 3139729.

It is an arithmetic number, because the mean of its divisors is an integer number (282750039).

Almost surely, 223391424000 is an apocalyptic number.

23391424000 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 23391424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33930004680).

23391424000 is an abundant number, since it is smaller than the sum of its proper divisors (44468585360).

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

23391424000 is an frugal number, since it uses more digits than its factorization.

23391424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506 (or 7473 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 23391424000 in words is "twenty-three billion, three hundred ninety-one million, four hundred twenty-four thousand".