Base | Representation |
---|---|
bin | 11100101011110101… |
… | …100111000001101001 |
3 | 2221111112002112220221 |
4 | 130223311213001221 |
5 | 1001034330313331 |
6 | 22052140050041 |
7 | 2140154522122 |
oct | 345365470151 |
9 | 87445075827 |
10 | 30800244841 |
11 | 12075a31903 |
12 | 5b76b33921 |
13 | 2b9b102562 |
14 | 16c2839049 |
15 | c03eed711 |
hex | 72bd67069 |
30800244841 has 4 divisors (see below), whose sum is σ = 30866768512. Its totient is φ = 30733721172.
The previous prime is 30800244799. The next prime is 30800244869. The reversal of 30800244841 is 14844200803.
It is a happy number.
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.
It is a cyclic number.
It is not a de Polignac number, because 30800244841 - 217 = 30800113769 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30800244797 and 30800244806.
It is not an unprimeable number, because it can be changed into a prime (30800284841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33261141 + ... + 33262066.
It is an arithmetic number, because the mean of its divisors is an integer number (7716692128).
Almost surely, 230800244841 is an apocalyptic number.
It is an amenable number.
30800244841 is a deficient number, since it is larger than the sum of its proper divisors (66523671).
30800244841 is an equidigital number, since it uses as much as digits as its factorization.
30800244841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66523670.
The product of its (nonzero) digits is 24576, while the sum is 34.
The spelling of 30800244841 in words is "thirty billion, eight hundred million, two hundred forty-four thousand, eight hundred forty-one".
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