Base | Representation |
---|---|
bin | 110010000001… |
… | …111011110111 |
3 | 220200022120110 |
4 | 302001323313 |
5 | 11324141002 |
6 | 1145034103 |
7 | 216322344 |
oct | 62017367 |
9 | 26608513 |
10 | 13115127 |
11 | 7448653 |
12 | 4485933 |
13 | 294273c |
14 | 1a557cb |
15 | 1240e6c |
hex | c81ef7 |
13115127 has 8 divisors (see below), whose sum is σ = 17570560. Its totient is φ = 8701560.
The previous prime is 13115117. The next prime is 13115161. The reversal of 13115127 is 72151131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-13115127 is a prime.
It is a super-2 number, since 2×131151272 = 344013112452258, which 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 (13115117) 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, 9727 + ... + 10992.
It is an arithmetic number, because the mean of its divisors is an integer number (2196320).
Almost surely, 213115127 is an apocalyptic number.
13115127 is a deficient number, since it is larger than the sum of its proper divisors (4455433).
13115127 is a wasteful number, since it uses less digits than its factorization.
13115127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20933.
The product of its digits is 210, while the sum is 21.
The square root of 13115127 is about 3621.4813267501. The cubic root of 13115127 is about 235.8255377757.
Adding to 13115127 its reverse (72151131), we get a palindrome (85266258).
The spelling of 13115127 in words is "thirteen million, one hundred fifteen thousand, one hundred twenty-seven".
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