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23122613239 = 1129711516761
BaseRepresentation
bin10101100010001101…
…110001001111110111
32012200110021110022221
4111202031301033313
5334323342110424
614342233503211
71445666653405
oct254215611767
965613243287
1023122613239
119896126620
124593871b07
1322465bc68b
141194cc8475
15904e7e9e4
hex5623713f7

23122613239 has 32 divisors (see below), whose sum is σ = 26641198080. Its totient is φ = 19874400000.

The previous prime is 23122613237. The next prime is 23122613251. The reversal of 23122613239 is 93231622132.

It is a cyclic number.

It is not a de Polignac number, because 23122613239 - 21 = 23122613237 is a prime.

It is a super-2 number, since 2×231226132392 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122613233) 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, 3416619 + ... + 3423379.

It is an arithmetic number, because the mean of its divisors is an integer number (832537440).

Almost surely, 223122613239 is an apocalyptic number.

23122613239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23122613239 is a deficient number, since it is larger than the sum of its proper divisors (3518584841).

23122613239 is a wasteful number, since it uses less digits than its factorization.

23122613239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7023.

The product of its digits is 23328, while the sum is 34.

The spelling of 23122613239 in words is "twenty-three billion, one hundred twenty-two million, six hundred thirteen thousand, two hundred thirty-nine".

Divisors: 1 11 29 71 151 319 781 1661 2059 4379 6761 10721 22649 48169 74371 117931 196069 310909 480031 1020911 2156759 3419999 5280341 11230021 13920899 29606419 72484681 153129889 325670609 797331491 2102055749 23122613239