Base | Representation |
---|---|
bin | 11100101110011110… |
… | …010010111010000011 |
3 | 2221121121022011021010 |
4 | 130232132102322003 |
5 | 1001132140333041 |
6 | 22100355532003 |
7 | 2141232424161 |
oct | 345636227203 |
9 | 87547264233 |
10 | 30844464771 |
11 | 120989949aa |
12 | 5b898ba003 |
13 | 2ba7315ab3 |
14 | 16c866a231 |
15 | c07d35a16 |
hex | 72e792e83 |
30844464771 has 16 divisors (see below), whose sum is σ = 42412761248. Its totient is φ = 19924185600.
The previous prime is 30844464767. The next prime is 30844464773. The reversal of 30844464771 is 17746444803.
It is not a de Polignac number, because 30844464771 - 22 = 30844464767 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30844464771.
It is not an unprimeable number, because it can be changed into a prime (30844464773) 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 15 ways as a sum of consecutive naturals, for example, 549760 + ... + 603261.
It is an arithmetic number, because the mean of its divisors is an integer number (2650797578).
Almost surely, 230844464771 is an apocalyptic number.
30844464771 is a deficient number, since it is larger than the sum of its proper divisors (11568296477).
30844464771 is a wasteful number, since it uses less digits than its factorization.
30844464771 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1153302.
The product of its (nonzero) digits is 1806336, while the sum is 48.
The spelling of 30844464771 in words is "thirty billion, eight hundred forty-four million, four hundred sixty-four thousand, seven hundred seventy-one".
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