Base | Representation |
---|---|
bin | 10001111100101… |
… | …001011110101101 |
3 | 202222121000221011 |
4 | 101330221132231 |
5 | 1104041024323 |
6 | 45513505221 |
7 | 10314255154 |
oct | 2174513655 |
9 | 688530834 |
10 | 301111213 |
11 | 144a73347 |
12 | 84a12211 |
13 | 4a4c9820 |
14 | 2bdc259b |
15 | 1b67d20d |
hex | 11f297ad |
301111213 has 16 divisors (see below), whose sum is σ = 331865856. Its totient is φ = 271514880.
The previous prime is 301111207. The next prime is 301111243. The reversal of 301111213 is 312111103.
It is not a de Polignac number, because 301111213 - 221 = 299014061 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 301111193 and 301111202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (301111243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102856 + ... + 105742.
It is an arithmetic number, because the mean of its divisors is an integer number (20741616).
Almost surely, 2301111213 is an apocalyptic number.
It is an amenable number.
301111213 is a deficient number, since it is larger than the sum of its proper divisors (30754643).
301111213 is a wasteful number, since it uses less digits than its factorization.
301111213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3084.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 301111213 is about 17352.5563822741. The cubic root of 301111213 is about 670.2584678870.
Adding to 301111213 its reverse (312111103), we get a palindrome (613222316).
The spelling of 301111213 in words is "three hundred one million, one hundred eleven thousand, two hundred thirteen".
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