Base | Representation |
---|---|
bin | 1100010010111100000… |
… | …1100010110001000111 |
3 | 202012020211201021122201 |
4 | 3010233001202301013 |
5 | 11430111014044312 |
6 | 241013212135331 |
7 | 21155532121555 |
oct | 3045701426107 |
9 | 665224637581 |
10 | 211242331207 |
11 | 81650875016 |
12 | 34b34767547 |
13 | 16bc650276b |
14 | a31d232bd5 |
15 | 5765430557 |
hex | 312f062c47 |
211242331207 has 2 divisors, whose sum is σ = 211242331208. Its totient is φ = 211242331206.
The previous prime is 211242331159. The next prime is 211242331217. The reversal of 211242331207 is 702133242112.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 211242331207 - 235 = 176882592839 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (211242331217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105621165603 + 105621165604.
It is an arithmetic number, because the mean of its divisors is an integer number (105621165604).
Almost surely, 2211242331207 is an apocalyptic number.
211242331207 is a deficient number, since it is larger than the sum of its proper divisors (1).
211242331207 is an equidigital number, since it uses as much as digits as its factorization.
211242331207 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4032, while the sum is 28.
Adding to 211242331207 its reverse (702133242112), we get a palindrome (913375573319).
The spelling of 211242331207 in words is "two hundred eleven billion, two hundred forty-two million, three hundred thirty-one thousand, two hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •