Base | Representation |
---|---|
bin | 11100001001010100… |
… | …010110110101101001 |
3 | 2220000011100001220102 |
4 | 130021110112311221 |
5 | 443343100234231 |
6 | 21514451035145 |
7 | 2116623063245 |
oct | 341124266551 |
9 | 86004301812 |
10 | 30221102441 |
11 | 118a902a622 |
12 | 5a34b9bab5 |
13 | 2b0812a54a |
14 | 1669961425 |
15 | bbd250acb |
hex | 709516d69 |
30221102441 has 4 divisors (see below), whose sum is σ = 31811686800. Its totient is φ = 28630518084.
The previous prime is 30221102437. The next prime is 30221102447. The reversal of 30221102441 is 14420112203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14420112203 = 7 ⋅2060016029.
It is a cyclic number.
It is not a de Polignac number, because 30221102441 - 22 = 30221102437 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30221102447) 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, 795292151 + ... + 795292188.
It is an arithmetic number, because the mean of its divisors is an integer number (7952921700).
Almost surely, 230221102441 is an apocalyptic number.
It is an amenable number.
30221102441 is a deficient number, since it is larger than the sum of its proper divisors (1590584359).
30221102441 is a wasteful number, since it uses less digits than its factorization.
30221102441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1590584358.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 30221102441 its reverse (14420112203), we get a palindrome (44641214644).
The spelling of 30221102441 in words is "thirty billion, two hundred twenty-one million, one hundred two thousand, four hundred forty-one".
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