Base | Representation |
---|---|
bin | 1101100110011000… |
… | …00000100001101010 |
3 | 200211211120021001100 |
4 | 12303030000201222 |
5 | 104423104034332 |
6 | 3204254502230 |
7 | 345634326534 |
oct | 66314004152 |
9 | 20754507040 |
10 | 7301236842 |
11 | 31073a3339 |
12 | 14b9204976 |
13 | 8c48479b3 |
14 | 4d3972854 |
15 | 2caebe67c |
hex | 1b330086a |
7301236842 has 12 divisors (see below), whose sum is σ = 15819346530. Its totient is φ = 2433745608.
The previous prime is 7301236807. The next prime is 7301236849. The reversal of 7301236842 is 2486321037.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 7027301241 + 273935601 = 83829^2 + 16551^2 .
It is a junction number, because it is equal to n+sod(n) for n = 7301236797 and 7301236806.
It is not an unprimeable number, because it can be changed into a prime (7301236849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202812117 + ... + 202812152.
Almost surely, 27301236842 is an apocalyptic number.
7301236842 is an abundant number, since it is smaller than the sum of its proper divisors (8518109688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7301236842 is a wasteful number, since it uses less digits than its factorization.
7301236842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405624277 (or 405624274 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The square root of 7301236842 is about 85447.2752169430. The cubic root of 7301236842 is about 1939.9869664693.
Adding to 7301236842 its reverse (2486321037), we get a palindrome (9787557879).
The spelling of 7301236842 in words is "seven billion, three hundred one million, two hundred thirty-six thousand, eight hundred forty-two".
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