Base | Representation |
---|---|
bin | 1001000101101101001… |
… | …01110110110000000101 |
3 | 1002212002210110200221102 |
4 | 10202312211312300011 |
5 | 20104043030202323 |
6 | 355245154425445 |
7 | 31364052614015 |
oct | 4426645666005 |
9 | 1085083420842 |
10 | 312301022213 |
11 | 11049a870364 |
12 | 50638b92285 |
13 | 235b045b58b |
14 | 11188b1bc45 |
15 | 81cc591328 |
hex | 48b6976c05 |
312301022213 has 4 divisors (see below), whose sum is σ = 322375248768. Its totient is φ = 302226795660.
The previous prime is 312301022207. The next prime is 312301022221. The reversal of 312301022213 is 312220103213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 312301022213 - 26 = 312301022149 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 (312301022113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5037113231 + ... + 5037113292.
It is an arithmetic number, because the mean of its divisors is an integer number (80593812192).
Almost surely, 2312301022213 is an apocalyptic number.
It is an amenable number.
312301022213 is a deficient number, since it is larger than the sum of its proper divisors (10074226555).
312301022213 is a wasteful number, since it uses less digits than its factorization.
312301022213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10074226554.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 312301022213 its reverse (312220103213), we get a palindrome (624521125426).
The spelling of 312301022213 in words is "three hundred twelve billion, three hundred one million, twenty-two thousand, two hundred thirteen".
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