Base | Representation |
---|---|
bin | 11100101111101110… |
… | …110001110110111100 |
3 | 2221200002000001200112 |
4 | 130233232301312330 |
5 | 1001203041004233 |
6 | 22102432045152 |
7 | 2141606646224 |
oct | 345756616674 |
9 | 87602001615 |
10 | 30865563068 |
11 | 120a989540a |
12 | 5b949937b8 |
13 | 2bab7c20b2 |
14 | 16cb39d084 |
15 | c09b02048 |
hex | 72fbb1dbc |
30865563068 has 12 divisors (see below), whose sum is σ = 54286167600. Its totient is φ = 15355229472.
The previous prime is 30865563067. The next prime is 30865563101. The reversal of 30865563068 is 86036556803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30865563067) 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 in 3 ways as a sum of consecutive naturals, for example, 19387121 + ... + 19388712.
It is an arithmetic number, because the mean of its divisors is an integer number (4523847300).
Almost surely, 230865563068 is an apocalyptic number.
It is an amenable number.
30865563068 is a deficient number, since it is larger than the sum of its proper divisors (23420604532).
30865563068 is a wasteful number, since it uses less digits than its factorization.
30865563068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38776036 (or 38776034 counting only the distinct ones).
The product of its (nonzero) digits is 3110400, while the sum is 50.
The spelling of 30865563068 in words is "thirty billion, eight hundred sixty-five million, five hundred sixty-three thousand, sixty-eight".
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