Base | Representation |
---|---|
bin | 10011000010011001… |
… | …110111100011001111 |
3 | 1221202121011020200021 |
4 | 103002121313203033 |
5 | 313331001231343 |
6 | 13220214443011 |
7 | 1322362201324 |
oct | 230231674317 |
9 | 57677136607 |
10 | 20441430223 |
11 | 873a722095 |
12 | 3b65963467 |
13 | 1c09c93a56 |
14 | dbcb92b4b |
15 | 7e98b50ed |
hex | 4c26778cf |
20441430223 has 8 divisors (see below), whose sum is σ = 20571248160. Its totient is φ = 20312002560.
The previous prime is 20441430179. The next prime is 20441430253. The reversal of 20441430223 is 32203414402.
It is a happy number.
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 20441430223 - 225 = 20407875791 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20441430253) by changing a digit.
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, 7878 + ... + 202348.
It is an arithmetic number, because the mean of its divisors is an integer number (2571406020).
Almost surely, 220441430223 is an apocalyptic number.
20441430223 is a deficient number, since it is larger than the sum of its proper divisors (129817937).
20441430223 is a wasteful number, since it uses less digits than its factorization.
20441430223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195137.
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 20441430223 its reverse (32203414402), we get a palindrome (52644844625).
The spelling of 20441430223 in words is "twenty billion, four hundred forty-one million, four hundred thirty thousand, two hundred twenty-three".
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