Base | Representation |
---|---|
bin | 1001000101100100111… |
… | …11011111000000101001 |
3 | 1002211221000001100221002 |
4 | 10202302133133000221 |
5 | 20103422423240431 |
6 | 355234300324345 |
7 | 31362256164152 |
oct | 4426237370051 |
9 | 1084830040832 |
10 | 312232243241 |
11 | 110464a63736 |
12 | 50619b436b5 |
13 | 2359c129769 |
14 | 1117d936929 |
15 | 81c65073cb |
hex | 48b27df029 |
312232243241 has 4 divisors (see below), whose sum is σ = 316509397332. Its totient is φ = 307955089152.
The previous prime is 312232243157. The next prime is 312232243273. The reversal of 312232243241 is 142342232213.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142342232213 = 59 ⋅2412580207.
It can be written as a sum of positive squares in 2 ways, for example, as 130219939600 + 182012303641 = 360860^2 + 426629^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-312232243241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312232240241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138576936 + ... + 2138577081.
It is an arithmetic number, because the mean of its divisors is an integer number (79127349333).
Almost surely, 2312232243241 is an apocalyptic number.
It is an amenable number.
312232243241 is a deficient number, since it is larger than the sum of its proper divisors (4277154091).
312232243241 is an equidigital number, since it uses as much as digits as its factorization.
312232243241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4277154090.
The product of its digits is 13824, while the sum is 29.
Adding to 312232243241 its reverse (142342232213), we get a palindrome (454574475454).
The spelling of 312232243241 in words is "three hundred twelve billion, two hundred thirty-two million, two hundred forty-three thousand, two hundred forty-one".
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