Base | Representation |
---|---|
bin | 1111010010111101… |
… | …10110011110010111 |
3 | 210012022121020121012 |
4 | 13221132312132113 |
5 | 113304302133241 |
6 | 3434514442435 |
7 | 410335042553 |
oct | 75136663627 |
9 | 23168536535 |
10 | 8212146071 |
11 | 35345a6988 |
12 | 171229341b |
13 | a0b490a3c |
14 | 57c92c863 |
15 | 330e536eb |
hex | 1e97b6797 |
8212146071 has 2 divisors, whose sum is σ = 8212146072. Its totient is φ = 8212146070.
The previous prime is 8212146053. The next prime is 8212146073. The reversal of 8212146071 is 1706412128.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 8212146071 - 222 = 8207951767 is a prime.
Together with 8212146073, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8212146073) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106073035 + 4106073036.
It is an arithmetic number, because the mean of its divisors is an integer number (4106073036).
Almost surely, 28212146071 is an apocalyptic number.
8212146071 is a deficient number, since it is larger than the sum of its proper divisors (1).
8212146071 is an equidigital number, since it uses as much as digits as its factorization.
8212146071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5376, while the sum is 32.
The square root of 8212146071 is about 90620.8920227560. The cubic root of 8212146071 is about 2017.5248308829.
Adding to 8212146071 its reverse (1706412128), we get a palindrome (9918558199).
The spelling of 8212146071 in words is "eight billion, two hundred twelve million, one hundred forty-six thousand, seventy-one".
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