Base | Representation |
---|---|
bin | 1100011010000000110… |
… | …1111101100101110101 |
3 | 202101011012011121001021 |
4 | 3012200031331211311 |
5 | 11443003200142323 |
6 | 241525452101141 |
7 | 21253562053102 |
oct | 3064015754565 |
9 | 671135147037 |
10 | 213141412213 |
11 | 82435852754 |
12 | 353847647b1 |
13 | 17139aa3c32 |
14 | a45d53baa9 |
15 | 582700b05d |
hex | 31a037d975 |
213141412213 has 4 divisors (see below), whose sum is σ = 213149398860. Its totient is φ = 213133425568.
The previous prime is 213141412199. The next prime is 213141412217. The reversal of 213141412213 is 312214141312.
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 20083991524 + 193057420689 = 141718^2 + 439383^2 .
It is a cyclic number.
It is not a de Polignac number, because 213141412213 - 217 = 213141281141 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 (213141412217) 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, 3953158 + ... + 4006711.
It is an arithmetic number, because the mean of its divisors is an integer number (53287349715).
Almost surely, 2213141412213 is an apocalyptic number.
It is an amenable number.
213141412213 is a deficient number, since it is larger than the sum of its proper divisors (7986647).
213141412213 is an equidigital number, since it uses as much as digits as its factorization.
213141412213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7986646.
The product of its digits is 1152, while the sum is 25.
Adding to 213141412213 its reverse (312214141312), we get a palindrome (525355553525).
The spelling of 213141412213 in words is "two hundred thirteen billion, one hundred forty-one million, four hundred twelve thousand, two hundred thirteen".
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