Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001111100010011101 |
3 | 1221101220102020001122 |
4 | 102322013033202131 |
5 | 313034344030023 |
6 | 13154325220325 |
7 | 1316052646340 |
oct | 227207174235 |
9 | 57356366048 |
10 | 20302330013 |
11 | 8679155039 |
12 | 3b272616a5 |
13 | 1bb7210134 |
14 | da8504457 |
15 | 7dc58a2c8 |
hex | 4ba1cf89d |
20302330013 has 4 divisors (see below), whose sum is σ = 23202662880. Its totient is φ = 17401997148.
The previous prime is 20302330007. The next prime is 20302330039. The reversal of 20302330013 is 31003320302.
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 20302330013 - 24 = 20302329997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20302329973 and 20302330000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302330003) 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 3 ways as a sum of consecutive naturals, for example, 1450166423 + ... + 1450166436.
It is an arithmetic number, because the mean of its divisors is an integer number (5800665720).
Almost surely, 220302330013 is an apocalyptic number.
It is an amenable number.
20302330013 is a deficient number, since it is larger than the sum of its proper divisors (2900332867).
20302330013 is an equidigital number, since it uses as much as digits as its factorization.
20302330013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2900332866.
The product of its (nonzero) digits is 324, while the sum is 17.
Adding to 20302330013 its reverse (31003320302), we get a palindrome (51305650315).
The spelling of 20302330013 in words is "twenty billion, three hundred two million, three hundred thirty thousand, thirteen".
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