Base | Representation |
---|---|
bin | 1100010111010111010… |
… | …1000001001101101001 |
3 | 202022022121221210222021 |
4 | 3011311311001031221 |
5 | 11440024114333002 |
6 | 241331125024441 |
7 | 21230135110501 |
oct | 3056565011551 |
9 | 668277853867 |
10 | 212430230377 |
11 | 82100366272 |
12 | 35206555121 |
13 | 1705564b091 |
14 | a3d2cd2a01 |
15 | 57d487a737 |
hex | 3175d41369 |
212430230377 has 2 divisors, whose sum is σ = 212430230378. Its totient is φ = 212430230376.
The previous prime is 212430230281. The next prime is 212430230393. The reversal of 212430230377 is 773032034212.
212430230377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 186862540176 + 25567690201 = 432276^2 + 159899^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212430230377 is a prime.
It is not a weakly prime, because it can be changed into another prime (212430234377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106215115188 + 106215115189.
It is an arithmetic number, because the mean of its divisors is an integer number (106215115189).
Almost surely, 2212430230377 is an apocalyptic number.
It is an amenable number.
212430230377 is a deficient number, since it is larger than the sum of its proper divisors (1).
212430230377 is an equidigital number, since it uses as much as digits as its factorization.
212430230377 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 42336, while the sum is 34.
Adding to 212430230377 its reverse (773032034212), we get a palindrome (985462264589).
The spelling of 212430230377 in words is "two hundred twelve billion, four hundred thirty million, two hundred thirty thousand, three hundred seventy-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •