Base | Representation |
---|---|
bin | 101110001101… |
… | …010110100001 |
3 | 211210102100020 |
4 | 232031112201 |
5 | 11100111223 |
6 | 1111344053 |
7 | 204650532 |
oct | 56152641 |
9 | 24712306 |
10 | 12113313 |
11 | 6923a03 |
12 | 4082029 |
13 | 2681754 |
14 | 1874689 |
15 | 10e41e3 |
hex | b8d5a1 |
12113313 has 4 divisors (see below), whose sum is σ = 16151088. Its totient is φ = 8075540.
The previous prime is 12113303. The next prime is 12113323. The reversal of 12113313 is 31331121.
12113313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31331121 = 3 ⋅10443707.
It is an interprime number because it is at equal distance from previous prime (12113303) and next prime (12113323).
It is a cyclic number.
It is not a de Polignac number, because 12113313 - 212 = 12109217 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12113292 and 12113301.
It is not an unprimeable number, because it can be changed into a prime (12113303) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018883 + ... + 2018888.
It is an arithmetic number, because the mean of its divisors is an integer number (4037772).
Almost surely, 212113313 is an apocalyptic number.
It is an amenable number.
12113313 is a deficient number, since it is larger than the sum of its proper divisors (4037775).
12113313 is an equidigital number, since it uses as much as digits as its factorization.
12113313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4037774.
The product of its digits is 54, while the sum is 15.
The square root of 12113313 is about 3480.4185093175. The cubic root of 12113313 is about 229.6612088284.
Adding to 12113313 its reverse (31331121), we get a palindrome (43444434).
The spelling of 12113313 in words is "twelve million, one hundred thirteen thousand, three hundred thirteen".
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