Base | Representation |
---|---|
bin | 10010111010001010… |
… | …100100011110110110 |
3 | 1221101222001112111222 |
4 | 102322022210132312 |
5 | 313040104432410 |
6 | 13154400030342 |
7 | 1316063241263 |
oct | 227212443666 |
9 | 57358045458 |
10 | 20303202230 |
11 | 86796a0383 |
12 | 3b276023b2 |
13 | 1bb745713c |
14 | da869026a |
15 | 7dc6ad955 |
hex | 4ba2a47b6 |
20303202230 has 16 divisors (see below), whose sum is σ = 36554393664. Its totient is φ = 8119363200.
The previous prime is 20303202203. The next prime is 20303202239. The reversal of 20303202230 is 3220230302.
It is a junction number, because it is equal to n+sod(n) for n = 20303202199 and 20303202208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20303202239) 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, 194846 + ... + 280305.
It is an arithmetic number, because the mean of its divisors is an integer number (2284649604).
Almost surely, 220303202230 is an apocalyptic number.
20303202230 is a deficient number, since it is larger than the sum of its proper divisors (16251191434).
20303202230 is a wasteful number, since it uses less digits than its factorization.
20303202230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 479431.
The product of its (nonzero) digits is 432, while the sum is 17.
Adding to 20303202230 its reverse (3220230302), we get a palindrome (23523432532).
The spelling of 20303202230 in words is "twenty billion, three hundred three million, two hundred two thousand, two hundred thirty".
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