Base | Representation |
---|---|
bin | 11001101111000111… |
… | …10000101100111101 |
3 | 1022122221011111201110 |
4 | 30313203300230331 |
5 | 211244124221133 |
6 | 10203014432233 |
7 | 666253521513 |
oct | 146743605475 |
9 | 38587144643 |
10 | 13817023293 |
11 | 5950393117 |
12 | 2817362679 |
13 | 13c2735138 |
14 | 9510864b3 |
15 | 55d03cc63 |
hex | 3378f0b3d |
13817023293 has 24 divisors (see below), whose sum is σ = 18972378112. Its totient is φ = 8943830784.
The previous prime is 13817023279. The next prime is 13817023301. The reversal of 13817023293 is 39232071831.
It is not a de Polignac number, because 13817023293 - 25 = 13817023261 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13817023273) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 833421 + ... + 849837.
Almost surely, 213817023293 is an apocalyptic number.
It is an amenable number.
13817023293 is a deficient number, since it is larger than the sum of its proper divisors (5155354819).
13817023293 is a wasteful number, since it uses less digits than its factorization.
13817023293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16641 (or 16594 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 39.
The spelling of 13817023293 in words is "thirteen billion, eight hundred seventeen million, twenty-three thousand, two hundred ninety-three".
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