Base | Representation |
---|---|
bin | 11100001110101111… |
… | …001100010100000110 |
3 | 2220020111102022212201 |
4 | 130032233030110012 |
5 | 444034334221202 |
6 | 21531455505114 |
7 | 2122105642531 |
oct | 341657142406 |
9 | 86214368781 |
10 | 30312023302 |
11 | 1194538a830 |
12 | 5a5b52819a |
13 | 2b20c12682 |
14 | 1677a6ba18 |
15 | bc6210387 |
hex | 70ebcc506 |
30312023302 has 64 divisors (see below), whose sum is σ = 51325747200. Its totient is φ = 13308278400.
The previous prime is 30312023297. The next prime is 30312023303. The reversal of 30312023302 is 20332021303.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30312023302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30312023303) 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 31 ways as a sum of consecutive naturals, for example, 27885403 + ... + 27886489.
It is an arithmetic number, because the mean of its divisors is an integer number (801964800).
Almost surely, 230312023302 is an apocalyptic number.
30312023302 is a deficient number, since it is larger than the sum of its proper divisors (21013723898).
30312023302 is a wasteful number, since it uses less digits than its factorization.
30312023302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1477.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30312023302 its reverse (20332021303), we get a palindrome (50644044605).
The spelling of 30312023302 in words is "thirty billion, three hundred twelve million, twenty-three thousand, three hundred two".
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