Base | Representation |
---|---|
bin | 11100010110101000… |
… | …010101101100011010 |
3 | 2220120201121000112101 |
4 | 130112220111230122 |
5 | 444322234210232 |
6 | 21552550034014 |
7 | 2125304336146 |
oct | 342650255432 |
9 | 86521530471 |
10 | 30444444442 |
11 | 11a03105795 |
12 | 5a9794890a |
13 | 2b42498189 |
14 | 168b49c226 |
15 | bd2b6b1e7 |
hex | 716a15b1a |
30444444442 has 8 divisors (see below), whose sum is σ = 45896148000. Its totient is φ = 15145728444.
The previous prime is 30444444391. The next prime is 30444444467. The reversal of 30444444442 is 24444444403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 38246392 + ... + 38247187.
It is an arithmetic number, because the mean of its divisors is an integer number (5737018500).
Almost surely, 230444444442 is an apocalyptic number.
30444444442 is a deficient number, since it is larger than the sum of its proper divisors (15451703558).
30444444442 is a wasteful number, since it uses less digits than its factorization.
30444444442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76493780.
The product of its (nonzero) digits is 393216, while the sum is 37.
Adding to 30444444442 its reverse (24444444403), we get a palindrome (54888888845).
The spelling of 30444444442 in words is "thirty billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-two".
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