Base | Representation |
---|---|
bin | 100011100001111110010011… |
… | …0011101001011111010101111 |
3 | 1111222120211002101221121122202 |
4 | 1013003330212131023322233 |
5 | 311431013110241210411 |
6 | 3024411243513132115 |
7 | 122554505311356032 |
oct | 10703744635137257 |
9 | 1458524071847582 |
10 | 312532530413231 |
11 | 90645335791757 |
12 | 2b076a940ba03b |
13 | 105508ca624a9b |
14 | 5726925b6d019 |
15 | 261ea4d22383b |
hex | 11c3f2674beaf |
312532530413231 has 4 divisors (see below), whose sum is σ = 312540983443752. Its totient is φ = 312524077382712.
The previous prime is 312532530413221. The next prime is 312532530413297. The reversal of 312532530413231 is 132314035235213.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 312532530413231 - 214 = 312532530396847 is a prime.
It is a super-2 number, since 2×3125325304132312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312532530413221) 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 3 ways as a sum of consecutive naturals, for example, 4226459801 + ... + 4226533746.
It is an arithmetic number, because the mean of its divisors is an integer number (78135245860938).
Almost surely, 2312532530413231 is an apocalyptic number.
312532530413231 is a deficient number, since it is larger than the sum of its proper divisors (8453030521).
312532530413231 is an equidigital number, since it uses as much as digits as its factorization.
312532530413231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8453030520.
The product of its (nonzero) digits is 194400, while the sum is 38.
Adding to 312532530413231 its reverse (132314035235213), we get a palindrome (444846565648444).
The spelling of 312532530413231 in words is "three hundred twelve trillion, five hundred thirty-two billion, five hundred thirty million, four hundred thirteen thousand, two hundred thirty-one".
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