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23019075072 = 2935726431
BaseRepresentation
bin10101011100000010…
…110011011000000000
32012102020110011200000
4111130002303120000
5334120340400242
614324054400000
71443301624020
oct253402633000
965366404600
1023019075072
119842738894
124565060000
13222b00a5a6
141185255a80
158ead2ba4c
hex55c0b3600

23019075072 has 240 divisors, whose sum is σ = 78740293632. Its totient is φ = 6576629760.

The previous prime is 23019075071. The next prime is 23019075127. The reversal of 23019075072 is 27057091032.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23019075071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 857697 + ... + 884127.

Almost surely, 223019075072 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 23019075072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39370146816).

23019075072 is an abundant number, since it is smaller than the sum of its proper divisors (55721218560).

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

23019075072 is an frugal number, since it uses more digits than its factorization.

23019075072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26471 (or 26443 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 23019075072 in words is "twenty-three billion, nineteen million, seventy-five thousand, seventy-two".