Base | Representation |
---|---|
bin | 101110001101… |
… | …000100001001 |
3 | 211210100201200 |
4 | 232031010021 |
5 | 11100042022 |
6 | 1111334413 |
7 | 204644232 |
oct | 56150411 |
9 | 24710650 |
10 | 12112137 |
11 | 6923034 |
12 | 4081409 |
13 | 268105b |
14 | 1874089 |
15 | 10e3bac |
hex | b8d109 |
12112137 has 12 divisors (see below), whose sum is σ = 17528004. Its totient is φ = 8059680.
The previous prime is 12112127. The next prime is 12112159. The reversal of 12112137 is 73121121.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 251001 + 11861136 = 501^2 + 3444^2 .
It is not a de Polignac number, because 12112137 - 214 = 12095753 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12112127) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6087 + ... + 7827.
It is an arithmetic number, because the mean of its divisors is an integer number (1460667).
Almost surely, 212112137 is an apocalyptic number.
It is an amenable number.
12112137 is a deficient number, since it is larger than the sum of its proper divisors (5415867).
12112137 is a wasteful number, since it uses less digits than its factorization.
12112137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2520 (or 2517 counting only the distinct ones).
The product of its digits is 84, while the sum is 18.
The square root of 12112137 is about 3480.2495600172. The cubic root of 12112137 is about 229.6537765010.
Adding to 12112137 its reverse (73121121), we get a palindrome (85233258).
The spelling of 12112137 in words is "twelve million, one hundred twelve thousand, one hundred thirty-seven".
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