Base | Representation |
---|---|
bin | 11100001110110111… |
… | …100011001111110111 |
3 | 2220020122112122111011 |
4 | 130032313203033313 |
5 | 444040414330031 |
6 | 21532014453051 |
7 | 2122133366536 |
oct | 341667431767 |
9 | 86218478434 |
10 | 30314214391 |
11 | 11946646a4a |
12 | 5a60204187 |
13 | 2b214cba86 |
14 | 167807c31d |
15 | bc64e46b1 |
hex | 70ede33f7 |
30314214391 has 2 divisors, whose sum is σ = 30314214392. Its totient is φ = 30314214390.
The previous prime is 30314214353. The next prime is 30314214421. The reversal of 30314214391 is 19341241303.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30314214391 - 231 = 28166730743 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30314215391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15157107195 + 15157107196.
It is an arithmetic number, because the mean of its divisors is an integer number (15157107196).
Almost surely, 230314214391 is an apocalyptic number.
30314214391 is a deficient number, since it is larger than the sum of its proper divisors (1).
30314214391 is an equidigital number, since it uses as much as digits as its factorization.
30314214391 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7776, while the sum is 31.
Adding to 30314214391 its reverse (19341241303), we get a palindrome (49655455694).
The spelling of 30314214391 in words is "thirty billion, three hundred fourteen million, two hundred fourteen thousand, three hundred ninety-one".
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