Base | Representation |
---|---|
bin | 11001010010100… |
… | …00010101100111 |
3 | 112210011220022110 |
4 | 30221100111213 |
5 | 413302011130 |
6 | 33014532103 |
7 | 5154113043 |
oct | 1451202547 |
9 | 483156273 |
10 | 212141415 |
11 | a9825a92 |
12 | 5b067033 |
13 | 34c48785 |
14 | 20263023 |
15 | 13956ab0 |
hex | ca50567 |
212141415 has 8 divisors (see below), whose sum is σ = 339426288. Its totient is φ = 113142080.
The previous prime is 212141411. The next prime is 212141417. The reversal of 212141415 is 514141212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212141415 - 22 = 212141411 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212141391 and 212141400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212141411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7071366 + ... + 7071395.
It is an arithmetic number, because the mean of its divisors is an integer number (42428286).
Almost surely, 2212141415 is an apocalyptic number.
212141415 is a deficient number, since it is larger than the sum of its proper divisors (127284873).
212141415 is a wasteful number, since it uses less digits than its factorization.
212141415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14142769.
The product of its digits is 320, while the sum is 21.
The square root of 212141415 is about 14565.0751800325. The cubic root of 212141415 is about 596.4057480258.
Adding to 212141415 its reverse (514141212), we get a palindrome (726282627).
The spelling of 212141415 in words is "two hundred twelve million, one hundred forty-one thousand, four hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •