Base | Representation |
---|---|
bin | 10010111011010011… |
… | …111101101101111001 |
3 | 1221110022021000122221 |
4 | 102323103331231321 |
5 | 313110021121410 |
6 | 13200324244041 |
7 | 1316415623230 |
oct | 227323755571 |
9 | 57408230587 |
10 | 20322442105 |
11 | 86895415a9 |
12 | 3b31b40621 |
13 | 1bbb432594 |
14 | dab05bb17 |
15 | 7de20e4da |
hex | 4bb4fdb79 |
20322442105 has 8 divisors (see below), whose sum is σ = 27870777792. Its totient is φ = 13935388848.
The previous prime is 20322442093. The next prime is 20322442111. The reversal of 20322442105 is 50124422302.
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 20322442105 - 27 = 20322441977 is a prime.
It is a super-2 number, since 2×203224421052 (a number of 21 digits) contains 22 as substring.
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 20322442105.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290320567 + ... + 290320636.
It is an arithmetic number, because the mean of its divisors is an integer number (3483847224).
Almost surely, 220322442105 is an apocalyptic number.
It is an amenable number.
20322442105 is a deficient number, since it is larger than the sum of its proper divisors (7548335687).
20322442105 is an equidigital number, since it uses as much as digits as its factorization.
20322442105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 580641215.
The product of its (nonzero) digits is 3840, while the sum is 25.
Adding to 20322442105 its reverse (50124422302), we get a palindrome (70446864407).
The spelling of 20322442105 in words is "twenty billion, three hundred twenty-two million, four hundred forty-two thousand, one hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •