Base | Representation |
---|---|
bin | 11100010110100110… |
… | …110011101111101011 |
3 | 2220120200211122012011 |
4 | 130112212303233223 |
5 | 444322133340433 |
6 | 21552533300351 |
7 | 2125301045365 |
oct | 342646635753 |
9 | 86520748164 |
10 | 30444043243 |
11 | 11a02961319 |
12 | 5a977946b7 |
13 | 2b42387693 |
14 | 168b3d5d35 |
15 | bd2adc3cd |
hex | 7169b3beb |
30444043243 has 2 divisors, whose sum is σ = 30444043244. Its totient is φ = 30444043242.
The previous prime is 30444043229. The next prime is 30444043319. The reversal of 30444043243 is 34234044403.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30444043243 is a prime.
It is not a weakly prime, because it can be changed into another prime (30444043213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15222021621 + 15222021622.
It is an arithmetic number, because the mean of its divisors is an integer number (15222021622).
Almost surely, 230444043243 is an apocalyptic number.
30444043243 is a deficient number, since it is larger than the sum of its proper divisors (1).
30444043243 is an equidigital number, since it uses as much as digits as its factorization.
30444043243 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 55296, while the sum is 31.
Adding to 30444043243 its reverse (34234044403), we get a palindrome (64678087646).
The spelling of 30444043243 in words is "thirty billion, four hundred forty-four million, forty-three thousand, two hundred forty-three".
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