Base | Representation |
---|---|
bin | 10011000010111011… |
… | …101001001100011010 |
3 | 1221210012211002012120 |
4 | 103002323221030122 |
5 | 313340233044224 |
6 | 13221132322110 |
7 | 1322530356105 |
oct | 230273511432 |
9 | 57705732176 |
10 | 20450284314 |
11 | 874471a319 |
12 | 3b68913336 |
13 | 1c0ba73b65 |
14 | dc001973c |
15 | 7ea563779 |
hex | 4c2ee931a |
20450284314 has 32 divisors (see below), whose sum is σ = 40985072064. Its totient is φ = 6802696320.
The previous prime is 20450284303. The next prime is 20450284333. The reversal of 20450284314 is 41348205402.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9239872 + ... + 9242084.
It is an arithmetic number, because the mean of its divisors is an integer number (1280783502).
Almost surely, 220450284314 is an apocalyptic number.
20450284314 is an abundant number, since it is smaller than the sum of its proper divisors (20534787750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20450284314 is a wasteful number, since it uses less digits than its factorization.
20450284314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4702.
The product of its (nonzero) digits is 30720, while the sum is 33.
Adding to 20450284314 its reverse (41348205402), we get a palindrome (61798489716).
The spelling of 20450284314 in words is "twenty billion, four hundred fifty million, two hundred eighty-four thousand, three hundred fourteen".
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