Base | Representation |
---|---|
bin | 1001001001110111011111… |
… | …11000111010100000101101 |
3 | 2122021102200010200022221011 |
4 | 10210323233320322200231 |
5 | 10114303213301022110 |
6 | 110451412155505221 |
7 | 4145235101610361 |
oct | 444735770724055 |
9 | 78242603608834 |
10 | 20130241423405 |
11 | 6461207542143 |
12 | 2311461158211 |
13 | b303731b7249 |
14 | 4d844780d2a1 |
15 | 24d978ed748a |
hex | 124eefe3a82d |
20130241423405 has 32 divisors (see below), whose sum is σ = 24449177604096. Its totient is φ = 15909820084224.
The previous prime is 20130241423403. The next prime is 20130241423417. The reversal of 20130241423405 is 50432414203102.
It is a cyclic number.
It is not a de Polignac number, because 20130241423405 - 21 = 20130241423403 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 (20130241423403) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307736212 + ... + 307801618.
It is an arithmetic number, because the mean of its divisors is an integer number (764036800128).
Almost surely, 220130241423405 is an apocalyptic number.
It is an amenable number.
20130241423405 is a deficient number, since it is larger than the sum of its proper divisors (4318936180691).
20130241423405 is a wasteful number, since it uses less digits than its factorization.
20130241423405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67093.
The product of its (nonzero) digits is 23040, while the sum is 31.
Adding to 20130241423405 its reverse (50432414203102), we get a palindrome (70562655626507).
The spelling of 20130241423405 in words is "twenty trillion, one hundred thirty billion, two hundred forty-one million, four hundred twenty-three thousand, four hundred five".
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