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23065922880 = 26345721113127
BaseRepresentation
bin10101011110110101…
…100000110101000000
32012112111121021210000
4111132311200311000
5334214334013010
614332450440000
71444411052400
oct253665406500
965474537700
1023065922880
119867126290
124578893000
132237930ca0
14118b56c800
158eeed27c0
hex55ed60d40

23065922880 has 1680 divisors, whose sum is σ = 113014573056. Its totient is φ = 4389396480.

The previous prime is 23065922861. The next prime is 23065922921. The reversal of 23065922880 is 8822956032.

It is a happy number.

23065922880 is a `hidden beast` number, since 2 + 30 + 6 + 592 + 28 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a super-2 number, since 2×230659228802 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 181621377 + ... + 181621503.

Almost surely, 223065922880 is an apocalyptic number.

23065922880 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 23065922880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56507286528).

23065922880 is an abundant number, since it is smaller than the sum of its proper divisors (89948650176).

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

23065922880 is a wasteful number, since it uses less digits than its factorization.

23065922880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 23065922880 in words is "twenty-three billion, sixty-five million, nine hundred twenty-two thousand, eight hundred eighty".