Base | Representation |
---|---|
bin | 111100110011110… |
… | …101101111101011 |
3 | 2122002201200002102 |
4 | 330303311233223 |
5 | 4042134104233 |
6 | 245122524015 |
7 | 34165514312 |
oct | 7463655753 |
9 | 2562650072 |
10 | 1020222443 |
11 | 483986249 |
12 | 24580660b |
13 | 13349a926 |
14 | 996d3279 |
15 | 5e8781e8 |
hex | 3ccf5beb |
1020222443 has 4 divisors (see below), whose sum is σ = 1020296640. Its totient is φ = 1020148248.
The previous prime is 1020222419. The next prime is 1020222473. The reversal of 1020222443 is 3442220201.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 1020222443 - 28 = 1020222187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1020222473) 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, 9755 + ... + 46212.
It is an arithmetic number, because the mean of its divisors is an integer number (255074160).
Almost surely, 21020222443 is an apocalyptic number.
1020222443 is a deficient number, since it is larger than the sum of its proper divisors (74197).
1020222443 is an equidigital number, since it uses as much as digits as its factorization.
1020222443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74196.
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 1020222443 is about 31940.9211357469. The cubic root of 1020222443 is about 1006.6958794621.
Adding to 1020222443 its reverse (3442220201), we get a palindrome (4462442644).
The spelling of 1020222443 in words is "one billion, twenty million, two hundred twenty-two thousand, four hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •