Base | Representation |
---|---|
bin | 10010110100000100… |
… | …110100001001001111 |
3 | 1221010211210122212120 |
4 | 102310010310021033 |
5 | 312332430431343 |
6 | 13140310104023 |
7 | 1313412631563 |
oct | 226404641117 |
9 | 57124718776 |
10 | 20201030223 |
11 | 8626a56000 |
12 | 3ab934b013 |
13 | 1b9c232b2a |
14 | d98c956a3 |
15 | 7d372a683 |
hex | 4b413424f |
20201030223 has 32 divisors (see below), whose sum is σ = 31185542400. Its totient is φ = 11598634080.
The previous prime is 20201030137. The next prime is 20201030233. The reversal of 20201030223 is 32203010202.
It is not a de Polignac number, because 20201030223 - 28 = 20201029967 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20201030233) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57268 + ... + 209001.
It is an arithmetic number, because the mean of its divisors is an integer number (974548200).
Almost surely, 220201030223 is an apocalyptic number.
20201030223 is a deficient number, since it is larger than the sum of its proper divisors (10984512177).
20201030223 is a wasteful number, since it uses less digits than its factorization.
20201030223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 266324 (or 266302 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20201030223 its reverse (32203010202), we get a palindrome (52404040425).
The spelling of 20201030223 in words is "twenty billion, two hundred one million, thirty thousand, two hundred twenty-three".
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