Base | Representation |
---|---|
bin | 101110111111… |
… | …110111001011 |
3 | 212011221010211 |
4 | 232333313023 |
5 | 11123221303 |
6 | 1120021551 |
7 | 206501650 |
oct | 56776713 |
9 | 25157124 |
10 | 12320203 |
11 | 6a55395 |
12 | 41618b7 |
13 | 272497c |
14 | 18c9c27 |
15 | 113566d |
hex | bbfdcb |
12320203 has 16 divisors (see below), whose sum is σ = 14952960. Its totient is φ = 9922176.
The previous prime is 12320201. The next prime is 12320207. The reversal of 12320203 is 30202321.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12320203 - 21 = 12320201 is a prime.
It is a super-2 number, since 2×123202032 = 303574803922418, which contains 22 as substring.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (12320201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8851 + ... + 10147.
It is an arithmetic number, because the mean of its divisors is an integer number (934560).
Almost surely, 212320203 is an apocalyptic number.
12320203 is a deficient number, since it is larger than the sum of its proper divisors (2632757).
12320203 is a wasteful number, since it uses less digits than its factorization.
12320203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1386.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 12320203 is about 3510.0146723340. The cubic root of 12320203 is about 230.9613385820.
Adding to 12320203 its reverse (30202321), we get a palindrome (42522524).
The spelling of 12320203 in words is "twelve million, three hundred twenty thousand, two hundred three".
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