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23397091200 = 2732527432699
BaseRepresentation
bin10101110010100100…
…110100011110000000
32020101120202101022100
4111302210310132000
5340404123404300
614425400510400
71455541664610
oct256244643600
966346671270
1023397091200
119a17058a0a
12464b77b400
13228b422782
1411bd536a40
1591e0eb700
hex572934780

23397091200 has 576 divisors, whose sum is σ = 97667856000. Its totient is φ = 5221601280.

The previous prime is 23397091189. The next prime is 23397091219. The reversal of 23397091200 is 219079332.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×233970912002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8667451 + ... + 8670149.

It is an arithmetic number, because the mean of its divisors is an integer number (169562250).

Almost surely, 223397091200 is an apocalyptic number.

23397091200 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 23397091200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48833928000).

23397091200 is an abundant number, since it is smaller than the sum of its proper divisors (74270764800).

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

23397091200 is a wasteful number, since it uses less digits than its factorization.

23397091200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The spelling of 23397091200 in words is "twenty-three billion, three hundred ninety-seven million, ninety-one thousand, two hundred".