Base | Representation |
---|---|
bin | 11100001110011011… |
… | …000000001010101011 |
3 | 2220020010110102202012 |
4 | 130032123000022223 |
5 | 444032010340132 |
6 | 21531150230135 |
7 | 2122012650233 |
oct | 341633001253 |
9 | 86203412665 |
10 | 30306730667 |
11 | 119423a5354 |
12 | 5a597b534b |
13 | 2b1caab635 |
14 | 1677090cc3 |
15 | bc5a170b2 |
hex | 70e6c02ab |
30306730667 has 4 divisors (see below), whose sum is σ = 30327590160. Its totient is φ = 30285871176.
The previous prime is 30306730661. The next prime is 30306730693. The reversal of 30306730667 is 76603760303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30306730667 - 28 = 30306730411 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30306730661) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10427567 + ... + 10430472.
It is an arithmetic number, because the mean of its divisors is an integer number (7581897540).
Almost surely, 230306730667 is an apocalyptic number.
30306730667 is a deficient number, since it is larger than the sum of its proper divisors (20859493).
30306730667 is a wasteful number, since it uses less digits than its factorization.
30306730667 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20859492.
The product of its (nonzero) digits is 285768, while the sum is 41.
The spelling of 30306730667 in words is "thirty billion, three hundred six million, seven hundred thirty thousand, six hundred sixty-seven".
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