Base | Representation |
---|---|
bin | 1011001110011011… |
… | …0111011001000101 |
3 | 21210000002000020212 |
4 | 2303212313121011 |
5 | 22132401410041 |
6 | 1215001405205 |
7 | 134446466261 |
oct | 26346673105 |
9 | 7700060225 |
10 | 3013310021 |
11 | 1306a31467 |
12 | 701199805 |
13 | 3903948a7 |
14 | 2082ad0a1 |
15 | 1298228eb |
hex | b39b7645 |
3013310021 has 4 divisors (see below), whose sum is σ = 3030728172. Its totient is φ = 2995891872.
The previous prime is 3013309961. The next prime is 3013310033. The reversal of 3013310021 is 1200133103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1200133103 = 13 ⋅92317931.
It can be written as a sum of positive squares in 2 ways, for example, as 2908984225 + 104325796 = 53935^2 + 10214^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3013310021 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3013309978 and 3013310005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3013310051) 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, 8708816 + ... + 8709161.
It is an arithmetic number, because the mean of its divisors is an integer number (757682043).
Almost surely, 23013310021 is an apocalyptic number.
It is an amenable number.
3013310021 is a deficient number, since it is larger than the sum of its proper divisors (17418151).
3013310021 is a wasteful number, since it uses less digits than its factorization.
3013310021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17418150.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 3013310021 is about 54893.6245933897. The cubic root of 3013310021 is about 1444.3793539174.
Adding to 3013310021 its reverse (1200133103), we get a palindrome (4213443124).
The spelling of 3013310021 in words is "three billion, thirteen million, three hundred ten thousand, twenty-one".
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