Base | Representation |
---|---|
bin | 11011111111101110… |
… | …000010100011111011 |
3 | 2212120221022102021121 |
4 | 123333232002203323 |
5 | 443030334003341 |
6 | 21450455250111 |
7 | 2112626214361 |
oct | 337756024373 |
9 | 85527272247 |
10 | 30060062971 |
11 | 11826138254 |
12 | 59ab079937 |
13 | 2ab0964913 |
14 | 1652401631 |
15 | bae0404d1 |
hex | 6ffb828fb |
30060062971 has 2 divisors, whose sum is σ = 30060062972. Its totient is φ = 30060062970.
The previous prime is 30060062891. The next prime is 30060063037. The reversal of 30060062971 is 17926006003.
It is a strong prime.
It is an emirp because it is prime and its reverse (17926006003) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30060062971 - 27 = 30060062843 is a prime.
It is not a weakly prime, because it can be changed into another prime (30060062171) 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, 15030031485 + 15030031486.
It is an arithmetic number, because the mean of its divisors is an integer number (15030031486).
Almost surely, 230060062971 is an apocalyptic number.
30060062971 is a deficient number, since it is larger than the sum of its proper divisors (1).
30060062971 is an equidigital number, since it uses as much as digits as its factorization.
30060062971 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13608, while the sum is 34.
Adding to 30060062971 its reverse (17926006003), we get a palindrome (47986068974).
The spelling of 30060062971 in words is "thirty billion, sixty million, sixty-two thousand, nine hundred seventy-one".
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