Base | Representation |
---|---|
bin | 1100010110010000100… |
… | …0011100000101100101 |
3 | 202021112221021210000012 |
4 | 3011210020130011211 |
5 | 11433422113100201 |
6 | 241241441300005 |
7 | 21216601364513 |
oct | 3054410340545 |
9 | 667487253005 |
10 | 212133331301 |
11 | 81a6880a631 |
12 | 35143034605 |
13 | 17008c97858 |
14 | a3a56c94b3 |
15 | 57b87805bb |
hex | 316421c165 |
212133331301 has 4 divisors (see below), whose sum is σ = 224611762572. Its totient is φ = 199654900032.
The previous prime is 212133331261. The next prime is 212133331321. The reversal of 212133331301 is 103133331212.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 92202715201 + 119930616100 = 303649^2 + 346310^2 .
It is a cyclic number.
It is not a de Polignac number, because 212133331301 - 26 = 212133331237 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212133331321) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6239215610 + ... + 6239215643.
It is an arithmetic number, because the mean of its divisors is an integer number (56152940643).
Almost surely, 2212133331301 is an apocalyptic number.
It is an amenable number.
212133331301 is a deficient number, since it is larger than the sum of its proper divisors (12478431271).
212133331301 is a wasteful number, since it uses less digits than its factorization.
212133331301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12478431270.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 212133331301 its reverse (103133331212), we get a palindrome (315266662513).
The spelling of 212133331301 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred thirty-one thousand, three hundred one".
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