Base | Representation |
---|---|
bin | 11011111100110000… |
… | …010100110100110101 |
3 | 2212110110201202001022 |
4 | 123330300110310311 |
5 | 442430121033141 |
6 | 21441521310525 |
7 | 2111453412461 |
oct | 337460246465 |
9 | 85413652038 |
10 | 30010330421 |
11 | 1180005a475 |
12 | 5996495445 |
13 | 2aa3571186 |
14 | 16499774a1 |
15 | ba99b9b4b |
hex | 6fcc14d35 |
30010330421 has 2 divisors, whose sum is σ = 30010330422. Its totient is φ = 30010330420.
The previous prime is 30010330417. The next prime is 30010330429. The reversal of 30010330421 is 12403301003.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26339667025 + 3670663396 = 162295^2 + 60586^2 .
It is a cyclic number.
It is not a de Polignac number, because 30010330421 - 22 = 30010330417 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30010330421.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30010330429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005165210 + 15005165211.
It is an arithmetic number, because the mean of its divisors is an integer number (15005165211).
Almost surely, 230010330421 is an apocalyptic number.
It is an amenable number.
30010330421 is a deficient number, since it is larger than the sum of its proper divisors (1).
30010330421 is an equidigital number, since it uses as much as digits as its factorization.
30010330421 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30010330421 its reverse (12403301003), we get a palindrome (42413631424).
The spelling of 30010330421 in words is "thirty billion, ten million, three hundred thirty thousand, four hundred twenty-one".
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