Base | Representation |
---|---|
bin | 11011111110000011… |
… | …000010000000000111 |
3 | 2212111222112020120202 |
4 | 123332003002000013 |
5 | 443001143330041 |
6 | 21444014121115 |
7 | 2112135612113 |
oct | 337603020007 |
9 | 85458466522 |
10 | 30032011271 |
11 | 11811318629 |
12 | 59a17b019b |
13 | 2aa7bc2692 |
14 | 164c7bc743 |
15 | bab84da9b |
hex | 6fe0c2007 |
30032011271 has 2 divisors, whose sum is σ = 30032011272. Its totient is φ = 30032011270.
The previous prime is 30032011231. The next prime is 30032011279. The reversal of 30032011271 is 17211023003.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30032011271 - 214 = 30031994887 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30032011279) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016005635 + 15016005636.
It is an arithmetic number, because the mean of its divisors is an integer number (15016005636).
Almost surely, 230032011271 is an apocalyptic number.
30032011271 is a deficient number, since it is larger than the sum of its proper divisors (1).
30032011271 is an equidigital number, since it uses as much as digits as its factorization.
30032011271 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 20.
Adding to 30032011271 its reverse (17211023003), we get a palindrome (47243034274).
The spelling of 30032011271 in words is "thirty billion, thirty-two million, eleven thousand, two hundred seventy-one".
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