Base | Representation |
---|---|
bin | 1100010101110011101… |
… | …0000011100010100011 |
3 | 202021020111012121200011 |
4 | 3011130322003202203 |
5 | 11433200100321402 |
6 | 241221431305351 |
7 | 21213600200455 |
oct | 3053472034243 |
9 | 667214177604 |
10 | 212012120227 |
11 | 81a06350996 |
12 | 3510a51b257 |
13 | 16cb9b3861b |
14 | a3935762d5 |
15 | 57accdaed7 |
hex | 315ce838a3 |
212012120227 has 2 divisors, whose sum is σ = 212012120228. Its totient is φ = 212012120226.
The previous prime is 212012120209. The next prime is 212012120249. The reversal of 212012120227 is 722021210212.
It is an a-pointer prime, because the next prime (212012120249) can be obtained adding 212012120227 to its sum of digits (22).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 212012120227 - 211 = 212012118179 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212012120198 and 212012120207.
It is not a weakly prime, because it can be changed into another prime (212012120527) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006060113 + 106006060114.
It is an arithmetic number, because the mean of its divisors is an integer number (106006060114).
Almost surely, 2212012120227 is an apocalyptic number.
212012120227 is a deficient number, since it is larger than the sum of its proper divisors (1).
212012120227 is an equidigital number, since it uses as much as digits as its factorization.
212012120227 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 448, while the sum is 22.
Adding to 212012120227 its reverse (722021210212), we get a palindrome (934033330439).
The spelling of 212012120227 in words is "two hundred twelve billion, twelve million, one hundred twenty thousand, two hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •