Base | Representation |
---|---|
bin | 1101010011101011… |
… | …11001000111100011 |
3 | 200102220112101020101 |
4 | 12221311321013203 |
5 | 104112434210022 |
6 | 3140534123231 |
7 | 342021526633 |
oct | 65165710743 |
9 | 20386471211 |
10 | 7144444387 |
11 | 30369418a3 |
12 | 14747b0517 |
13 | 89b20b1b2 |
14 | 4babda6c3 |
15 | 2bc34c627 |
hex | 1a9d791e3 |
7144444387 has 2 divisors, whose sum is σ = 7144444388. Its totient is φ = 7144444386.
The previous prime is 7144444337. The next prime is 7144444397. The reversal of 7144444387 is 7834444417.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 7144444387 - 219 = 7143920099 is a prime.
It is not a weakly prime, because it can be changed into another prime (7144444337) 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 as a sum of consecutive naturals, namely, 3572222193 + 3572222194.
It is an arithmetic number, because the mean of its divisors is an integer number (3572222194).
Almost surely, 27144444387 is an apocalyptic number.
7144444387 is a deficient number, since it is larger than the sum of its proper divisors (1).
7144444387 is an equidigital number, since it uses as much as digits as its factorization.
7144444387 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1204224, while the sum is 46.
The square root of 7144444387 is about 84524.8152142316. The cubic root of 7144444387 is about 1925.9994258846. Note that the first 3 decimals are identical.
The spelling of 7144444387 in words is "seven billion, one hundred forty-four million, four hundred forty-four thousand, three hundred eighty-seven".
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