Base | Representation |
---|---|
bin | 10010101010101110… |
… | …100100011111111111 |
3 | 1220201220201001210002 |
4 | 102222232210133333 |
5 | 312022304012111 |
6 | 13112544504515 |
7 | 1306466631425 |
oct | 225256443777 |
9 | 56656631702 |
10 | 20044204031 |
11 | 8556481185 |
12 | 3a7491b13b |
13 | 1b758b3b77 |
14 | d82111115 |
15 | 7c4a9d63b |
hex | 4aaba47ff |
20044204031 has 2 divisors, whose sum is σ = 20044204032. Its totient is φ = 20044204030.
The previous prime is 20044203983. The next prime is 20044204039. The reversal of 20044204031 is 13040244002.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20044204031 - 222 = 20040009727 is a prime.
It is a super-2 number, since 2×200442040312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20044203994 and 20044204012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20044204039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022102015 + 10022102016.
It is an arithmetic number, because the mean of its divisors is an integer number (10022102016).
Almost surely, 220044204031 is an apocalyptic number.
20044204031 is a deficient number, since it is larger than the sum of its proper divisors (1).
20044204031 is an equidigital number, since it uses as much as digits as its factorization.
20044204031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 20044204031 its reverse (13040244002), we get a palindrome (33084448033).
The spelling of 20044204031 in words is "twenty billion, forty-four million, two hundred four thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •