Base | Representation |
---|---|
bin | 11011111110110110… |
… | …110001100111110010 |
3 | 2212112221001101102202 |
4 | 123332312301213302 |
5 | 443013131410131 |
6 | 21445220543202 |
7 | 2112362115341 |
oct | 337666614762 |
9 | 85487041382 |
10 | 30045575666 |
11 | 11818a42777 |
12 | 59a6251b02 |
13 | 2aaa961752 |
14 | 165050db58 |
15 | bacb2cbcb |
hex | 6fedb19f2 |
30045575666 has 8 divisors (see below), whose sum is σ = 45070868460. Its totient is φ = 15021952848.
The previous prime is 30045575641. The next prime is 30045575699. The reversal of 30045575666 is 66657554003.
It can be written as a sum of positive squares in 2 ways, for example, as 30027691225 + 17884441 = 173285^2 + 4229^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30045575666.
It is an unprimeable number.
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, 371501 + ... + 445088.
Almost surely, 230045575666 is an apocalyptic number.
30045575666 is a deficient number, since it is larger than the sum of its proper divisors (15025292794).
30045575666 is a wasteful number, since it uses less digits than its factorization.
30045575666 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 834988.
The product of its (nonzero) digits is 2268000, while the sum is 47.
The spelling of 30045575666 in words is "thirty billion, forty-five million, five hundred seventy-five thousand, six hundred sixty-six".
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