Base | Representation |
---|---|
bin | 1101110001111111101010… |
… | …11100101110110111101101 |
3 | 10222022010210101011122002201 |
4 | 12320333311130232313231 |
5 | 12433004332212120323 |
6 | 144241550521021501 |
7 | 6245320634450452 |
oct | 670776534566755 |
9 | 128263711148081 |
10 | 30305112223213 |
11 | 9724364885313 |
12 | 3495400924891 |
13 | 13ba9b542c9b9 |
14 | 76aabd443829 |
15 | 37848b1aa8ad |
hex | 1b8ff572eded |
30305112223213 has 8 divisors (see below), whose sum is σ = 32144159155320. Its totient is φ = 28472331210240.
The previous prime is 30305112223207. The next prime is 30305112223219. The reversal of 30305112223213 is 31232221150303.
It is an interprime number because it is at equal distance from previous prime (30305112223207) and next prime (30305112223219).
It can be written as a sum of positive squares in 4 ways, for example, as 2786505734089 + 27518606489124 = 1669283^2 + 5245818^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30305112223213 - 229 = 30304575352301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30305112223219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566469818 + ... + 1566489163.
It is an arithmetic number, because the mean of its divisors is an integer number (4018019894415).
Almost surely, 230305112223213 is an apocalyptic number.
It is an amenable number.
30305112223213 is a deficient number, since it is larger than the sum of its proper divisors (1839046932107).
30305112223213 is a wasteful number, since it uses less digits than its factorization.
30305112223213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3132959567.
The product of its (nonzero) digits is 6480, while the sum is 28.
Adding to 30305112223213 its reverse (31232221150303), we get a palindrome (61537333373516).
The spelling of 30305112223213 in words is "thirty trillion, three hundred five billion, one hundred twelve million, two hundred twenty-three thousand, two hundred thirteen".
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