Base | Representation |
---|---|
bin | 10010101010101010… |
… | …011010100111111101 |
3 | 1220201211122201220210 |
4 | 102222222122213331 |
5 | 312022014140010 |
6 | 13112505303033 |
7 | 1306454444424 |
oct | 225252324775 |
9 | 56654581823 |
10 | 20043115005 |
11 | 85558a7a61 |
12 | 3a74494a79 |
13 | 1b755c2284 |
14 | d81d0a2bb |
15 | 7c4935b20 |
hex | 4aaa9a9fd |
20043115005 has 32 divisors (see below), whose sum is σ = 33963076224. Its totient is φ = 10058582016.
The previous prime is 20043115003. The next prime is 20043115031. The reversal of 20043115005 is 50051134002.
It is not a de Polignac number, because 20043115005 - 21 = 20043115003 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20043115003) 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, 2094642 + ... + 2104188.
It is an arithmetic number, because the mean of its divisors is an integer number (1061346132).
Almost surely, 220043115005 is an apocalyptic number.
It is an amenable number.
20043115005 is a deficient number, since it is larger than the sum of its proper divisors (13919961219).
20043115005 is a wasteful number, since it uses less digits than its factorization.
20043115005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17805.
The product of its (nonzero) digits is 600, while the sum is 21.
Adding to 20043115005 its reverse (50051134002), we get a palindrome (70094249007).
The spelling of 20043115005 in words is "twenty billion, forty-three million, one hundred fifteen thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •