Base | Representation |
---|---|
bin | 11100010011011001… |
… | …100101101100101000 |
3 | 2220102221121110111111 |
4 | 130103121211230220 |
5 | 444214400334214 |
6 | 21543332240104 |
7 | 2124045554554 |
oct | 342331455450 |
9 | 86387543444 |
10 | 30390246184 |
11 | 11985557841 |
12 | 5a81770034 |
13 | 2b3419cbbc |
14 | 16841d0864 |
15 | bcd0125c4 |
hex | 713665b28 |
30390246184 has 16 divisors (see below), whose sum is σ = 56984022900. Its totient is φ = 15194506752.
The previous prime is 30390246181. The next prime is 30390246191. The reversal of 30390246184 is 48164209303.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 29488445284 + 901800900 = 171722^2 + 30030^2 .
It is not an unprimeable number, because it can be changed into a prime (30390246181) 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 3 ways as a sum of consecutive naturals, for example, 184902 + ... + 308170.
Almost surely, 230390246184 is an apocalyptic number.
It is an amenable number.
30390246184 is a deficient number, since it is larger than the sum of its proper divisors (26593776716).
30390246184 is a wasteful number, since it uses less digits than its factorization.
30390246184 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154092 (or 154088 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 40.
The spelling of 30390246184 in words is "thirty billion, three hundred ninety million, two hundred forty-six thousand, one hundred eighty-four".
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