Base | Representation |
---|---|
bin | 1001000101111011101… |
… | …00001010001101000111 |
3 | 1002212102020111210122201 |
4 | 10202331310022031013 |
5 | 20104320041244143 |
6 | 355305204135331 |
7 | 31400053663156 |
oct | 4427564121507 |
9 | 1085366453581 |
10 | 312422212423 |
11 | 110552215362 |
12 | 50671697547 |
13 | 235cc5b1169 |
14 | 1119ac6759d |
15 | 81d802e64d |
hex | 48bdd0a347 |
312422212423 has 4 divisors (see below), whose sum is σ = 320866056040. Its totient is φ = 303978368808.
The previous prime is 312422212411. The next prime is 312422212433. The reversal of 312422212423 is 324212224213.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324212224213 = 1669 ⋅194255377.
It is a cyclic number.
It is not a de Polignac number, because 312422212423 - 25 = 312422212391 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312422212391 and 312422212400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312422212433) 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, 4221921753 + ... + 4221921826.
It is an arithmetic number, because the mean of its divisors is an integer number (80216514010).
Almost surely, 2312422212423 is an apocalyptic number.
312422212423 is a deficient number, since it is larger than the sum of its proper divisors (8443843617).
312422212423 is an equidigital number, since it uses as much as digits as its factorization.
312422212423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8443843616.
The product of its digits is 9216, while the sum is 28.
Adding to 312422212423 its reverse (324212224213), we get a palindrome (636634436636).
The spelling of 312422212423 in words is "three hundred twelve billion, four hundred twenty-two million, two hundred twelve thousand, four hundred twenty-three".
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