Base | Representation |
---|---|
bin | 10011000010100011… |
… | …101111111001001110 |
3 | 1221202210000211121010 |
4 | 103002203233321032 |
5 | 313332132122202 |
6 | 13220350150050 |
7 | 1322423206506 |
oct | 230243577116 |
9 | 57683024533 |
10 | 20444020302 |
11 | 8741131052 |
12 | 3b667b2326 |
13 | 1c0a68c944 |
14 | dbd268a06 |
15 | 7e9c2776c |
hex | 4c28efe4e |
20444020302 has 16 divisors (see below), whose sum is σ = 41285013120. Its totient is φ = 6748511352.
The previous prime is 20444020297. The next prime is 20444020339. The reversal of 20444020302 is 20302044402.
It is a super-2 number, since 2×204440203022 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16539852 + ... + 16541087.
It is an arithmetic number, because the mean of its divisors is an integer number (2580313320).
Almost surely, 220444020302 is an apocalyptic number.
20444020302 is an abundant number, since it is smaller than the sum of its proper divisors (20840992818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20444020302 is a wasteful number, since it uses less digits than its factorization.
20444020302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33081047.
The product of its (nonzero) digits is 1536, while the sum is 21.
Adding to 20444020302 its reverse (20302044402), we get a palindrome (40746064704).
The spelling of 20444020302 in words is "twenty billion, four hundred forty-four million, twenty thousand, three hundred two".
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