Base | Representation |
---|---|
bin | 10010101000110111… |
… | …100010111001001001 |
3 | 1220122201222212001220 |
4 | 102220313202321021 |
5 | 311441312033223 |
6 | 13105512032253 |
7 | 1305640466343 |
oct | 225067427111 |
9 | 56581885056 |
10 | 20013002313 |
11 | 853a8aa937 |
12 | 3a66392689 |
13 | 1b6c2aac05 |
14 | d7bd0c293 |
15 | 7c1e886e3 |
hex | 4a8de2e49 |
20013002313 has 8 divisors (see below), whose sum is σ = 26684657088. Its totient is φ = 13341674544.
The previous prime is 20013002291. The next prime is 20013002363. The reversal of 20013002313 is 31320031002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20013002313 - 25 = 20013002281 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20013002292 and 20013002301.
It is not an unprimeable number, because it can be changed into a prime (20013002363) 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 7 ways as a sum of consecutive naturals, for example, 192220 + ... + 277442.
It is an arithmetic number, because the mean of its divisors is an integer number (3335582136).
Almost surely, 220013002313 is an apocalyptic number.
It is an amenable number.
20013002313 is a deficient number, since it is larger than the sum of its proper divisors (6671654775).
20013002313 is an equidigital number, since it uses as much as digits as its factorization.
20013002313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163503.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 20013002313 its reverse (31320031002), we get a palindrome (51333033315).
The spelling of 20013002313 in words is "twenty billion, thirteen million, two thousand, three hundred thirteen".
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