Base | Representation |
---|---|
bin | 10010110100000001… |
… | …010100000000000011 |
3 | 1221010210002000111011 |
4 | 102310001110000003 |
5 | 312332212042011 |
6 | 13140234301351 |
7 | 1313402056123 |
oct | 226401240003 |
9 | 57123060434 |
10 | 20200112131 |
11 | 8626489251 |
12 | 3ab8b87857 |
13 | 1b9bca0c94 |
14 | d98ad6c83 |
15 | 7d35e8621 |
hex | 4b4054003 |
20200112131 has 2 divisors, whose sum is σ = 20200112132. Its totient is φ = 20200112130.
The previous prime is 20200112087. The next prime is 20200112159. The reversal of 20200112131 is 13121100202.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20200112131 - 215 = 20200079363 is a prime.
It is a super-2 number, since 2×202001121312 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (20200112431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100056065 + 10100056066.
It is an arithmetic number, because the mean of its divisors is an integer number (10100056066).
Almost surely, 220200112131 is an apocalyptic number.
20200112131 is a deficient number, since it is larger than the sum of its proper divisors (1).
20200112131 is an equidigital number, since it uses as much as digits as its factorization.
20200112131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 20200112131 its reverse (13121100202), we get a palindrome (33321212333).
The spelling of 20200112131 in words is "twenty billion, two hundred million, one hundred twelve thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •