Base | Representation |
---|---|
bin | 10010111010110001… |
… | …000110000100110111 |
3 | 1221102200001121211201 |
4 | 102322301012010313 |
5 | 313100201120203 |
6 | 13155400313331 |
7 | 1316245132531 |
oct | 227261060467 |
9 | 57380047751 |
10 | 20313301303 |
11 | 8684368a19 |
12 | 3b2aa72847 |
13 | 1bb9581b19 |
14 | da9b5c851 |
15 | 7dd505e1d |
hex | 4bac46137 |
20313301303 has 2 divisors, whose sum is σ = 20313301304. Its totient is φ = 20313301302.
The previous prime is 20313301301. The next prime is 20313301313. The reversal of 20313301303 is 30310331302.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20313301303 - 21 = 20313301301 is a prime.
It is a super-2 number, since 2×203133013032 (a number of 21 digits) contains 22 as substring.
Together with 20313301301, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20313301301) 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 as a sum of consecutive naturals, namely, 10156650651 + 10156650652.
It is an arithmetic number, because the mean of its divisors is an integer number (10156650652).
Almost surely, 220313301303 is an apocalyptic number.
20313301303 is a deficient number, since it is larger than the sum of its proper divisors (1).
20313301303 is an equidigital number, since it uses as much as digits as its factorization.
20313301303 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 20313301303 its reverse (30310331302), we get a palindrome (50623632605).
The spelling of 20313301303 in words is "twenty billion, three hundred thirteen million, three hundred one thousand, three hundred three".
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