Base | Representation |
---|---|
bin | 11100001110000110… |
… | …110101010100000011 |
3 | 2220012202111210212221 |
4 | 130032012311110003 |
5 | 444024132141311 |
6 | 21530441031511 |
7 | 2121620006245 |
oct | 341606652403 |
9 | 86182453787 |
10 | 30301443331 |
11 | 1193a413955 |
12 | 5a57a85597 |
13 | 2b1b979b33 |
14 | 16764b6095 |
15 | bc5320671 |
hex | 70e1b5503 |
30301443331 has 8 divisors (see below), whose sum is σ = 32095077120. Its totient is φ = 28509053568.
The previous prime is 30301443323. The next prime is 30301443343. The reversal of 30301443331 is 13334410303.
It is a happy number.
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 30301443331 - 23 = 30301443323 is a prime.
It is a super-2 number, since 2×303014433312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30301443296 and 30301443305.
It is not an unprimeable number, because it can be changed into a prime (30301444331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260616 + ... + 358501.
It is an arithmetic number, because the mean of its divisors is an integer number (4011884640).
Almost surely, 230301443331 is an apocalyptic number.
30301443331 is a deficient number, since it is larger than the sum of its proper divisors (1793633789).
30301443331 is a wasteful number, since it uses less digits than its factorization.
30301443331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 622013.
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 30301443331 its reverse (13334410303), we get a palindrome (43635853634).
The spelling of 30301443331 in words is "thirty billion, three hundred one million, four hundred forty-three thousand, three hundred thirty-one".
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