Base | Representation |
---|---|
bin | 100100101110011… |
… | …1000111111000101 |
3 | 10011212210211211000 |
4 | 1021130320333011 |
5 | 10010432411323 |
6 | 322140403513 |
7 | 42352315101 |
oct | 11134707705 |
9 | 3155724730 |
10 | 1232310213 |
11 | 5826749a2 |
12 | 2a4846599 |
13 | 1683c7b54 |
14 | b9940901 |
15 | 732bde43 |
hex | 49738fc5 |
1232310213 has 32 divisors (see below), whose sum is σ = 1867017600. Its totient is φ = 803132928.
The previous prime is 1232310179. The next prime is 1232310217. The reversal of 1232310213 is 3120132321.
It is not a de Polignac number, because 1232310213 - 210 = 1232309189 is a prime.
It is a super-2 number, since 2×12323102132 = 3037176922128210738, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1232310217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214543 + ... + 220211.
It is an arithmetic number, because the mean of its divisors is an integer number (58344300).
Almost surely, 21232310213 is an apocalyptic number.
It is an amenable number.
1232310213 is a deficient number, since it is larger than the sum of its proper divisors (634707387).
1232310213 is an equidigital number, since it uses as much as digits as its factorization.
1232310213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5858 (or 5852 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 1232310213 is about 35104.2762779693. The cubic root of 1232310213 is about 1072.1116516611. Note that the first 3 decimals are identical.
Adding to 1232310213 its reverse (3120132321), we get a palindrome (4352442534).
The spelling of 1232310213 in words is "one billion, two hundred thirty-two million, three hundred ten thousand, two hundred thirteen".
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