Base | Representation |
---|---|
bin | 11100001110101111… |
… | …111110111000101100 |
3 | 2220020111210212000122 |
4 | 130032233332320230 |
5 | 444034412333234 |
6 | 21531504144112 |
7 | 2122110464456 |
oct | 341657767054 |
9 | 86214725018 |
10 | 30312230444 |
11 | 11945511421 |
12 | 5a5b608038 |
13 | 2b20c85a42 |
14 | 1677ac32d6 |
15 | bc625192e |
hex | 70ebfee2c |
30312230444 has 12 divisors (see below), whose sum is σ = 53048809968. Its totient is φ = 15155427600.
The previous prime is 30312230441. The next prime is 30312230447. The reversal of 30312230444 is 44403221303.
It is an interprime number because it is at equal distance from previous prime (30312230441) and next prime (30312230447).
It is not an unprimeable number, because it can be changed into a prime (30312230441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65387 + ... + 254754.
It is an arithmetic number, because the mean of its divisors is an integer number (4420734164).
Almost surely, 230312230444 is an apocalyptic number.
It is an amenable number.
30312230444 is a deficient number, since it is larger than the sum of its proper divisors (22736579524).
30312230444 is a wasteful number, since it uses less digits than its factorization.
30312230444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343816 (or 343814 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 26.
Adding to 30312230444 its reverse (44403221303), we get a palindrome (74715451747).
The spelling of 30312230444 in words is "thirty billion, three hundred twelve million, two hundred thirty thousand, four hundred forty-four".
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