Search a number
-
+
23117814838 = 213722272713
BaseRepresentation
bin10101100001111011…
…011101110000110110
32012200010020200011101
4111201323131300312
5334321130033323
614341543000314
71445611120036
oct254173356066
965603220141
1023117814838
1198934494a8
12459213909a
1322455cc5a1
1411943d98c6
15904832dad
hex561eddc36

23117814838 has 24 divisors (see below), whose sum is σ = 35098501032. Its totient is φ = 11419776384.

The previous prime is 23117814829. The next prime is 23117814887. The reversal of 23117814838 is 83841871132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8519770 + ... + 8522482.

It is an arithmetic number, because the mean of its divisors is an integer number (1462437543).

Almost surely, 223117814838 is an apocalyptic number.

23117814838 is a deficient number, since it is larger than the sum of its proper divisors (11980686194).

23117814838 is a wasteful number, since it uses less digits than its factorization.

23117814838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216 (or 3079 counting only the distinct ones).

The product of its digits is 258048, while the sum is 46.

It can be divided in two parts, 231178 and 14838, that added together give a square (246016 = 4962).

The spelling of 23117814838 in words is "twenty-three billion, one hundred seventeen million, eight hundred fourteen thousand, eight hundred thirty-eight".

Divisors: 1 2 137 227 274 454 2713 5426 18769 31099 37538 62198 371681 615851 743362 1231702 4260563 8521126 50920297 84371587 101840594 168743174 11558907419 23117814838