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23118919152 = 243768806307
BaseRepresentation
bin10101100001111111…
…101011010111110000
32012200012022202222220
4111201333223113300
5334321420403102
614342022401040
71445623366440
oct254177532760
965605282886
1023118919152
11989403315a
124592590180
1322458c8124
141194606120
159049a01bc
hex561feb5f0

23118919152 has 40 divisors (see below), whose sum is σ = 68255857536. Its totient is φ = 6605405376.

The previous prime is 23118919151. The next prime is 23118919163. The reversal of 23118919152 is 25191981132.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23118919151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34402818 + ... + 34403489.

Almost surely, 223118919152 is an apocalyptic number.

It is an amenable number.

23118919152 is an abundant number, since it is smaller than the sum of its proper divisors (45136938384).

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

23118919152 is a wasteful number, since it uses less digits than its factorization.

23118919152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68806325 (or 68806319 counting only the distinct ones).

The product of its digits is 38880, while the sum is 42.

The spelling of 23118919152 in words is "twenty-three billion, one hundred eighteen million, nine hundred nineteen thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 68806307 137612614 206418921 275225228 412837842 481644149 550450456 825675684 963288298 1100900912 1444932447 1651351368 1926576596 2889864894 3302702736 3853153192 5779729788 7706306384 11559459576 23118919152