Base | Representation |
---|---|
bin | 11100001110001110… |
… | …000000000111111101 |
3 | 2220012220001021210021 |
4 | 130032032000013331 |
5 | 444030122310441 |
6 | 21530545212141 |
7 | 2121641664235 |
oct | 341616000775 |
9 | 86186037707 |
10 | 30303322621 |
11 | 11940487890 |
12 | 5a58631051 |
13 | 2b1c187340 |
14 | 1676844cc5 |
15 | bc55923d1 |
hex | 70e3801fd |
30303322621 has 8 divisors (see below), whose sum is σ = 35601106464. Its totient is φ = 25429361520.
The previous prime is 30303322561. The next prime is 30303322649. The reversal of 30303322621 is 12622330303.
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 30303322621 - 29 = 30303322109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30303322691) 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 7 ways as a sum of consecutive naturals, for example, 105955531 + ... + 105955816.
It is an arithmetic number, because the mean of its divisors is an integer number (4450138308).
Almost surely, 230303322621 is an apocalyptic number.
It is an amenable number.
30303322621 is a deficient number, since it is larger than the sum of its proper divisors (5297783843).
30303322621 is a wasteful number, since it uses less digits than its factorization.
30303322621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211911371.
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 30303322621 its reverse (12622330303), we get a palindrome (42925652924).
The spelling of 30303322621 in words is "thirty billion, three hundred three million, three hundred twenty-two thousand, six hundred twenty-one".
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