Base | Representation |
---|---|
bin | 11100001110100110… |
… | …010100011001010011 |
3 | 2220020100001010221100 |
4 | 130032212110121103 |
5 | 444033240301412 |
6 | 21531333555443 |
7 | 2122050113604 |
oct | 341646243123 |
9 | 86210033840 |
10 | 30309697107 |
11 | 11944041058 |
12 | 5a5a7a5b83 |
13 | 2b205a9921 |
14 | 1677623dab |
15 | bc5e00edc |
hex | 70e994653 |
30309697107 has 12 divisors (see below), whose sum is σ = 43785138384. Its totient is φ = 20204404080.
The previous prime is 30309697073. The next prime is 30309697133. The reversal of 30309697107 is 70179690303.
It is a de Polignac number, because none of the positive numbers 2k-30309697107 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30309697147) 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 in 11 ways as a sum of consecutive naturals, for example, 75744 + ... + 257597.
It is an arithmetic number, because the mean of its divisors is an integer number (3648761532).
Almost surely, 230309697107 is an apocalyptic number.
30309697107 is a deficient number, since it is larger than the sum of its proper divisors (13475441277).
30309697107 is a wasteful number, since it uses less digits than its factorization.
30309697107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343450 (or 343447 counting only the distinct ones).
The product of its (nonzero) digits is 214326, while the sum is 45.
The spelling of 30309697107 in words is "thirty billion, three hundred nine million, six hundred ninety-seven thousand, one hundred seven".
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