Base | Representation |
---|---|
bin | 11011111100001001… |
… | …000010100110010011 |
3 | 2212102202100112110202 |
4 | 123330021002212103 |
5 | 442420002012042 |
6 | 21440512445415 |
7 | 2111300031401 |
oct | 337411024623 |
9 | 85382315422 |
10 | 30000032147 |
11 | 117a52661a8 |
12 | 5992b4986b |
13 | 2aa13a6917 |
14 | 1648456471 |
15 | ba8b33632 |
hex | 6fc242993 |
30000032147 has 2 divisors, whose sum is σ = 30000032148. Its totient is φ = 30000032146.
The previous prime is 30000032113. The next prime is 30000032171. The reversal of 30000032147 is 74123000003.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30000032147 - 210 = 30000031123 is a prime.
It is not a weakly prime, because it can be changed into another prime (30000032047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000016073 + 15000016074.
It is an arithmetic number, because the mean of its divisors is an integer number (15000016074).
Almost surely, 230000032147 is an apocalyptic number.
30000032147 is a deficient number, since it is larger than the sum of its proper divisors (1).
30000032147 is an equidigital number, since it uses as much as digits as its factorization.
30000032147 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 504, while the sum is 20.
The spelling of 30000032147 in words is "thirty billion, thirty-two thousand, one hundred forty-seven".
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