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23394995568 = 2432741659859
BaseRepresentation
bin10101110010011100…
…110100110101110000
32020101102210220122100
4111302130310311300
5340403104324233
614425243540400
71455515116110
oct256234646560
966342726570
1023394995568
119a1595748a
12464ab2a700
13228ab6a959
1411bd14d040
1591dd35813
hex572734d70

23394995568 has 240 divisors, whose sum is σ = 76857580800. Its totient is φ = 6503777280.

The previous prime is 23394995563. The next prime is 23394995581. The reversal of 23394995568 is 86559949332.

23394995568 is a `hidden beast` number, since 2 + 3 + 39 + 49 + 9 + 556 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23394995563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27234723 + ... + 27235581.

It is an arithmetic number, because the mean of its divisors is an integer number (320239920).

Almost surely, 223394995568 is an apocalyptic number.

23394995568 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 23394995568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38428790400).

23394995568 is an abundant number, since it is smaller than the sum of its proper divisors (53462585232).

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

23394995568 is a wasteful number, since it uses less digits than its factorization.

23394995568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1571 counting only the distinct ones).

The product of its digits is 62985600, while the sum is 63.

The spelling of 23394995568 in words is "twenty-three billion, three hundred ninety-four million, nine hundred ninety-five thousand, five hundred sixty-eight".