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23051194272 = 2533293159503
BaseRepresentation
bin10101011101111101…
…010100111110100000
32012111110212222221000
4111131331110332200
5334202101204042
614331203032000
71444141630011
oct253575247640
965443788830
1023051194272
119859886487
12457396b600
132234875032
141189617008
158eda7374c
hex55df54fa0

23051194272 has 384 divisors, whose sum is σ = 73156608000. Its totient is φ = 7043742720.

The previous prime is 23051194261. The next prime is 23051194277. The reversal of 23051194272 is 27249115032.

23051194272 is a `hidden beast` number, since 2 + 30 + 511 + 9 + 42 + 72 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (23051194277) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45827173 + ... + 45827675.

It is an arithmetic number, because the mean of its divisors is an integer number (190512000).

Almost surely, 223051194272 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 23051194272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36578304000).

23051194272 is an abundant number, since it is smaller than the sum of its proper divisors (50105413728).

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

23051194272 is a wasteful number, since it uses less digits than its factorization.

23051194272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 23051194272 in words is "twenty-three billion, fifty-one million, one hundred ninety-four thousand, two hundred seventy-two".