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23019283368 = 233229313491019
BaseRepresentation
bin10101011100000011…
…100110001110101000
32012102020211202101200
4111130003212032220
5334120414031433
614324103044200
71443303452214
oct253403461650
965366752350
1023019283368
119842870334
124565140660
13222b081343
1411852ab944
158ead6d613
hex55c0e63a8

23019283368 has 192 divisors, whose sum is σ = 66830400000. Its totient is φ = 7141962240.

The previous prime is 23019283333. The next prime is 23019283369. The reversal of 23019283368 is 86338291032.

23019283368 is a `hidden beast` number, since 2 + 3 + 0 + 1 + 9 + 283 + 368 = 666.

It is not an unprimeable number, because it can be changed into a prime (23019283369) 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, 22589563 + ... + 22590581.

It is an arithmetic number, because the mean of its divisors is an integer number (348075000).

Almost surely, 223019283368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23019283368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33415200000).

23019283368 is an abundant number, since it is smaller than the sum of its proper divisors (43811116632).

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

23019283368 is a wasteful number, since it uses less digits than its factorization.

23019283368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 23019283368 in words is "twenty-three billion, nineteen million, two hundred eighty-three thousand, three hundred sixty-eight".