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23117474913 = 3136752116981
BaseRepresentation
bin10101100001111010…
…001010110001100001
32012200002121101212120
4111201322022301201
5334321033144123
614341531414453
71445605203021
oct254172126141
965602541776
1023117474913
119893237075
124591bb4429
132245510950
14119434ba81
159047b72e3
hex561e8ac61

23117474913 has 32 divisors (see below), whose sum is σ = 33756412032. Its totient is φ = 13986086400.

The previous prime is 23117474911. The next prime is 23117474921. The reversal of 23117474913 is 31947471132.

It is a happy number.

It is not a de Polignac number, because 23117474913 - 21 = 23117474911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23117474911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1352883 + ... + 1369863.

It is an arithmetic number, because the mean of its divisors is an integer number (1054887876).

Almost surely, 223117474913 is an apocalyptic number.

It is an amenable number.

23117474913 is a deficient number, since it is larger than the sum of its proper divisors (10638937119).

23117474913 is a wasteful number, since it uses less digits than its factorization.

23117474913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17585.

The product of its digits is 127008, while the sum is 42.

The spelling of 23117474913 in words is "twenty-three billion, one hundred seventeen million, four hundred seventy-four thousand, nine hundred thirteen".

Divisors: 1 3 13 39 67 201 521 871 1563 2613 6773 16981 20319 34907 50943 104721 220753 453791 662259 1137727 1361373 3413181 8847101 14790451 26541303 44371353 115012313 345036939 592755767 1778267301 7705824971 23117474913