Base | Representation |
---|---|
bin | 1011101010010011… |
… | …0110001010011101 |
3 | 22002011001201021000 |
4 | 2322210312022131 |
5 | 22402314034323 |
6 | 1234335300513 |
7 | 140366304240 |
oct | 27244661235 |
9 | 8064051230 |
10 | 3130221213 |
11 | 1366a23589 |
12 | 73437a739 |
13 | 3ab679902 |
14 | 219a23257 |
15 | 134c17e43 |
hex | ba93629d |
3130221213 has 32 divisors (see below), whose sum is σ = 5305145600. Its totient is φ = 1786909248.
The previous prime is 3130221119. The next prime is 3130221229. The reversal of 3130221213 is 3121220313.
It is not a de Polignac number, because 3130221213 - 29 = 3130220701 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 (3130221293) 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 31 ways as a sum of consecutive naturals, for example, 194295 + ... + 209787.
It is an arithmetic number, because the mean of its divisors is an integer number (165785800).
Almost surely, 23130221213 is an apocalyptic number.
It is an amenable number.
3130221213 is a deficient number, since it is larger than the sum of its proper divisors (2174924387).
3130221213 is a wasteful number, since it uses less digits than its factorization.
3130221213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16578 (or 16572 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 3130221213 is about 55948.3798961150. The cubic root of 3130221213 is about 1462.8226517579.
Adding to 3130221213 its reverse (3121220313), we get a palindrome (6251441526).
The spelling of 3130221213 in words is "three billion, one hundred thirty million, two hundred twenty-one thousand, two hundred thirteen".
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