Base | Representation |
---|---|
bin | 1011000111111001011111… |
… | …1100111101010101101101 |
3 | 1121022012121010002221001022 |
4 | 2301332113330331111231 |
5 | 3100340144213344323 |
6 | 42002310525223525 |
7 | 2401416522122351 |
oct | 261762774752555 |
9 | 47265533087038 |
10 | 12230321231213 |
11 | 3995939544878 |
12 | 1456399a01ba5 |
13 | 6a94117c6597 |
14 | 303d44a47461 |
15 | 1632132c34c8 |
hex | b1f97f3d56d |
12230321231213 has 8 divisors (see below), whose sum is σ = 12283301230200. Its totient is φ = 12177345415168.
The previous prime is 12230321231179. The next prime is 12230321231221. The reversal of 12230321231213 is 31213212303221.
It can be written as a sum of positive squares in 4 ways, for example, as 138552939529 + 12091768291684 = 372227^2 + 3477322^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12230321231213 - 210 = 12230321230189 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 (12230321231413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4887383 + ... + 6953211.
It is an arithmetic number, because the mean of its divisors is an integer number (1535412653775).
Almost surely, 212230321231213 is an apocalyptic number.
It is an amenable number.
12230321231213 is a deficient number, since it is larger than the sum of its proper divisors (52979998987).
12230321231213 is a wasteful number, since it uses less digits than its factorization.
12230321231213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2091471.
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 12230321231213 its reverse (31213212303221), we get a palindrome (43443533534434).
The spelling of 12230321231213 in words is "twelve trillion, two hundred thirty billion, three hundred twenty-one million, two hundred thirty-one thousand, two hundred thirteen".
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