Base | Representation |
---|---|
bin | 10010101001111001… |
… | …100111011000101111 |
3 | 1220200221120210112001 |
4 | 102221321213120233 |
5 | 312010230302343 |
6 | 13111331153131 |
7 | 1306240633612 |
oct | 225171473057 |
9 | 56627523461 |
10 | 20030322223 |
11 | 854965a60a |
12 | 3a701457a7 |
13 | 1b72a63492 |
14 | d8033a179 |
15 | 7c375a44d |
hex | 4a9e6762f |
20030322223 has 4 divisors (see below), whose sum is σ = 20106483408. Its totient is φ = 19954161040.
The previous prime is 20030322217. The next prime is 20030322239. The reversal of 20030322223 is 32222303002.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32222303002 = 2 ⋅16111151501.
It is a cyclic number.
It is not a de Polignac number, because 20030322223 - 217 = 20030191151 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20030322223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20030322293) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38080198 + ... + 38080723.
It is an arithmetic number, because the mean of its divisors is an integer number (5026620852).
Almost surely, 220030322223 is an apocalyptic number.
20030322223 is a deficient number, since it is larger than the sum of its proper divisors (76161185).
20030322223 is an equidigital number, since it uses as much as digits as its factorization.
20030322223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76161184.
The product of its (nonzero) digits is 864, while the sum is 19.
Adding to 20030322223 its reverse (32222303002), we get a palindrome (52252625225).
The spelling of 20030322223 in words is "twenty billion, thirty million, three hundred twenty-two thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •