Base | Representation |
---|---|
bin | 101110001101… |
… | …011111001100 |
3 | 211210110002210 |
4 | 232031133030 |
5 | 11100120433 |
6 | 1111350420 |
7 | 204652254 |
oct | 56153714 |
9 | 24713083 |
10 | 12113868 |
11 | 6924368 |
12 | 4082410 |
13 | 2681a90 |
14 | 1874964 |
15 | 10e4463 |
hex | b8d7cc |
12113868 has 96 divisors (see below), whose sum is σ = 33053440. Its totient is φ = 3421440.
The previous prime is 12113867. The next prime is 12113869. The reversal of 12113868 is 86831121.
It is an interprime number because it is at equal distance from previous prime (12113867) and next prime (12113869).
It is not an unprimeable number, because it can be changed into a prime (12113861) 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, 180771 + ... + 180837.
Almost surely, 212113868 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12113868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16526720).
12113868 is an abundant number, since it is smaller than the sum of its proper divisors (20939572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12113868 is a wasteful number, since it uses less digits than its factorization.
12113868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167 (or 165 counting only the distinct ones).
The product of its digits is 2304, while the sum is 30.
The square root of 12113868 is about 3480.4982401949. The cubic root of 12113868 is about 229.6647162647.
Adding to 12113868 its reverse (86831121), we get a palindrome (98944989).
The spelling of 12113868 in words is "twelve million, one hundred thirteen thousand, eight hundred sixty-eight".
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