Base | Representation |
---|---|
bin | 10110111010110001… |
… | …10011100111100101 |
3 | 1011202111112020100002 |
4 | 23131120303213211 |
5 | 200144333432323 |
6 | 5352533431045 |
7 | 613623664442 |
oct | 133530634745 |
9 | 34674466302 |
10 | 12304202213 |
11 | 5244446266 |
12 | 247479b485 |
13 | 12111a4234 |
14 | 84a1a69c9 |
15 | 4c030e828 |
hex | 2dd6339e5 |
12304202213 has 12 divisors (see below), whose sum is σ = 12818479044. Its totient is φ = 11807212800.
The previous prime is 12304202179. The next prime is 12304202243. The reversal of 12304202213 is 31220240321.
It can be written as a sum of positive squares in 6 ways, for example, as 9944477284 + 2359724929 = 99722^2 + 48577^2 .
It is not a de Polignac number, because 12304202213 - 218 = 12303940069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12304202243) 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, 42545 + ... + 162537.
It is an arithmetic number, because the mean of its divisors is an integer number (1068206587).
Almost surely, 212304202213 is an apocalyptic number.
It is an amenable number.
12304202213 is a deficient number, since it is larger than the sum of its proper divisors (514276831).
12304202213 is an equidigital number, since it uses as much as digits as its factorization.
12304202213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120136 (or 120095 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 12304202213 its reverse (31220240321), we get a palindrome (43524442534).
The spelling of 12304202213 in words is "twelve billion, three hundred four million, two hundred two thousand, two hundred thirteen".
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