Base | Representation |
---|---|
bin | 101011001010000… |
… | …0101100000001001 |
3 | 10201220212101222022 |
4 | 1112110011200021 |
5 | 10431203342433 |
6 | 355405534225 |
7 | 50612461235 |
oct | 12624054011 |
9 | 3656771868 |
10 | 1448105993 |
11 | 683466514 |
12 | 344b74375 |
13 | 1a1022a69 |
14 | da4755c5 |
15 | 871e8698 |
hex | 56505809 |
1448105993 has 2 divisors, whose sum is σ = 1448105994. Its totient is φ = 1448105992.
The previous prime is 1448105959. The next prime is 1448105999. The reversal of 1448105993 is 3995018441.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1245242944 + 202863049 = 35288^2 + 14243^2 .
It is a cyclic number.
It is not a de Polignac number, because 1448105993 - 26 = 1448105929 is a prime.
It is not a weakly prime, because it can be changed into another prime (1448105999) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724052996 + 724052997.
It is an arithmetic number, because the mean of its divisors is an integer number (724052997).
Almost surely, 21448105993 is an apocalyptic number.
It is an amenable number.
1448105993 is a deficient number, since it is larger than the sum of its proper divisors (1).
1448105993 is an equidigital number, since it uses as much as digits as its factorization.
1448105993 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 155520, while the sum is 44.
The square root of 1448105993 is about 38053.9878724950. The cubic root of 1448105993 is about 1131.3581688006.
The spelling of 1448105993 in words is "one billion, four hundred forty-eight million, one hundred five thousand, nine hundred ninety-three".
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