Base | Representation |
---|---|
bin | 10010101010101010… |
… | …110101011111000111 |
3 | 1220201211212022211211 |
4 | 102222222311133013 |
5 | 312022031200111 |
6 | 13112511512251 |
7 | 1306455413254 |
oct | 225252653707 |
9 | 56654768754 |
10 | 20043225031 |
11 | 8555972695 |
12 | 3a74528687 |
13 | 1b7563038b |
14 | d81d3842b |
15 | 7c4958521 |
hex | 4aaab57c7 |
20043225031 has 2 divisors, whose sum is σ = 20043225032. Its totient is φ = 20043225030.
The previous prime is 20043224983. The next prime is 20043225047. The reversal of 20043225031 is 13052234002.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20043225031 - 227 = 19909007303 is a prime.
It is a super-2 number, since 2×200432250312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20043224993 and 20043225011.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20043225431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021612515 + 10021612516.
It is an arithmetic number, because the mean of its divisors is an integer number (10021612516).
Almost surely, 220043225031 is an apocalyptic number.
20043225031 is a deficient number, since it is larger than the sum of its proper divisors (1).
20043225031 is an equidigital number, since it uses as much as digits as its factorization.
20043225031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1440, while the sum is 22.
Adding to 20043225031 its reverse (13052234002), we get a palindrome (33095459033).
The spelling of 20043225031 in words is "twenty billion, forty-three million, two hundred twenty-five thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •