Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001101100101011101 |
3 | 1221101220101211002100 |
4 | 102322013031211131 |
5 | 313034343301023 |
6 | 13154325115313 |
7 | 1316052614121 |
oct | 227207154535 |
9 | 57356354070 |
10 | 20302322013 |
11 | 867914a026 |
12 | 3b27258b39 |
13 | 1bb72095bc |
14 | da8501581 |
15 | 7dc587c43 |
hex | 4ba1cd95d |
20302322013 has 12 divisors (see below), whose sum is σ = 29330479360. Its totient is φ = 13532618376.
The previous prime is 20302322009. The next prime is 20302322017. The reversal of 20302322013 is 31022320302.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20302322009) and next prime (20302322017).
It is not a de Polignac number, because 20302322013 - 22 = 20302322009 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 (20302322017) 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 11 ways as a sum of consecutive naturals, for example, 130831 + ... + 240252.
Almost surely, 220302322013 is an apocalyptic number.
It is an amenable number.
20302322013 is a deficient number, since it is larger than the sum of its proper divisors (9028157347).
20302322013 is a wasteful number, since it uses less digits than its factorization.
20302322013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 377168 (or 377165 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20302322013 its reverse (31022320302), we get a palindrome (51324642315).
The spelling of 20302322013 in words is "twenty billion, three hundred two million, three hundred twenty-two thousand, thirteen".
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