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23319333856 = 257132312641
BaseRepresentation
bin10101101101111100…
…001100101111100000
32020012011102220021201
4111231330030233200
5340224222140411
614413542130544
71453606032040
oct255574145740
966164386251
1023319333856
119987179745
124629720a54
132278299100
1411b3095720
1591738c3c1
hex56df0cbe0

23319333856 has 216 divisors, whose sum is σ = 58798453392. Its totient is φ = 8913715200.

The previous prime is 23319333769. The next prime is 23319333871. The reversal of 23319333856 is 65833391332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36379296 + ... + 36379936.

It is an arithmetic number, because the mean of its divisors is an integer number (272215062).

Almost surely, 223319333856 is an apocalyptic number.

23319333856 is a gapful number since it is divisible by the number (26) 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 23319333856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29399226696).

23319333856 is an abundant number, since it is smaller than the sum of its proper divisors (35479119536).

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

23319333856 is a wasteful number, since it uses less digits than its factorization.

23319333856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 694 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 46.

The spelling of 23319333856 in words is "twenty-three billion, three hundred nineteen million, three hundred thirty-three thousand, eight hundred fifty-six".