Base | Representation |
---|---|
bin | 10010101000010010… |
… | …001110101000101101 |
3 | 1220122001120212021111 |
4 | 102220102032220231 |
5 | 311431311020023 |
6 | 13104522232021 |
7 | 1305461364460 |
oct | 225022165055 |
9 | 56561525244 |
10 | 20003220013 |
11 | 8535329297 |
12 | 3a63055611 |
13 | 1b6a26447a |
14 | d7a8c32d7 |
15 | 7c11a500d |
hex | 4a848ea2d |
20003220013 has 8 divisors (see below), whose sum is σ = 22905740160. Its totient is φ = 17111929200.
The previous prime is 20003220001. The next prime is 20003220031. The reversal of 20003220013 is 31002230002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20003220013 - 25 = 20003219981 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20003219975 and 20003220002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20003220613) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2803513 + ... + 2810638.
It is an arithmetic number, because the mean of its divisors is an integer number (2863217520).
Almost surely, 220003220013 is an apocalyptic number.
It is an amenable number.
20003220013 is a deficient number, since it is larger than the sum of its proper divisors (2902520147).
20003220013 is an equidigital number, since it uses as much as digits as its factorization.
20003220013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5614667.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20003220013 its reverse (31002230002), we get a palindrome (51005450015).
The spelling of 20003220013 in words is "twenty billion, three million, two hundred twenty thousand, thirteen".
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