Base | Representation |
---|---|
bin | 11100001110011010… |
… | …000110110110100010 |
3 | 2220020010000111201100 |
4 | 130032122012312202 |
5 | 444031430332111 |
6 | 21531141215230 |
7 | 2122010651631 |
oct | 341632066642 |
9 | 86203014640 |
10 | 30306495906 |
11 | 11942254a35 |
12 | 5a59701516 |
13 | 2b1ca2881b |
14 | 167702d518 |
15 | bc59bc756 |
hex | 70e686da2 |
30306495906 has 24 divisors (see below), whose sum is σ = 65670868224. Its totient is φ = 10101120120.
The previous prime is 30306495829. The next prime is 30306495913. The reversal of 30306495906 is 60959460303.
It is a happy number.
It is an unprimeable number.
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 in 11 ways as a sum of consecutive naturals, for example, 102915 + ... + 266841.
It is an arithmetic number, because the mean of its divisors is an integer number (2736286176).
Almost surely, 230306495906 is an apocalyptic number.
30306495906 is an abundant number, since it is smaller than the sum of its proper divisors (35364372318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30306495906 is a wasteful number, since it uses less digits than its factorization.
30306495906 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174206 (or 174203 counting only the distinct ones).
The product of its (nonzero) digits is 524880, while the sum is 45.
The spelling of 30306495906 in words is "thirty billion, three hundred six million, four hundred ninety-five thousand, nine hundred six".
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