Base | Representation |
---|---|
bin | 101110010001… |
… | …011111111101 |
3 | 211211021122102 |
4 | 232101133331 |
5 | 11101132201 |
6 | 1111554445 |
7 | 205051211 |
oct | 56213775 |
9 | 24737572 |
10 | 12130301 |
11 | 6935747 |
12 | 408ba25 |
13 | 26893c1 |
14 | 187a941 |
15 | 10e926b |
hex | b917fd |
12130301 has 4 divisors (see below), whose sum is σ = 12426204. Its totient is φ = 11834400.
The previous prime is 12130289. The next prime is 12130309. The reversal of 12130301 is 10303121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 220900 + 11909401 = 470^2 + 3451^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12130301 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12130309) 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, 147890 + ... + 147971.
It is an arithmetic number, because the mean of its divisors is an integer number (3106551).
Almost surely, 212130301 is an apocalyptic number.
It is an amenable number.
12130301 is a deficient number, since it is larger than the sum of its proper divisors (295903).
12130301 is an equidigital number, since it uses as much as digits as its factorization.
12130301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 295902.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 12130301 is about 3482.8581653579. The cubic root of 12130301 is about 229.7685194705.
Adding to 12130301 its reverse (10303121), we get a palindrome (22433422).
The spelling of 12130301 in words is "twelve million, one hundred thirty thousand, three hundred one".
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