Base | Representation |
---|---|
bin | 111111111010000… |
… | …0100010010000111 |
3 | 12112102222112200201 |
4 | 1333310010102013 |
5 | 13342423333323 |
6 | 552440551331 |
7 | 104065502125 |
oct | 17764042207 |
9 | 5472875621 |
10 | 2144355463 |
11 | a00483aa8 |
12 | 4ba182547 |
13 | 28234acb3 |
14 | 164b14915 |
15 | c83c98ad |
hex | 7fd04487 |
2144355463 has 2 divisors, whose sum is σ = 2144355464. Its totient is φ = 2144355462.
The previous prime is 2144355457. The next prime is 2144355487. The reversal of 2144355463 is 3645534412.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2144355463 - 25 = 2144355431 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2144359463) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072177731 + 1072177732.
It is an arithmetic number, because the mean of its divisors is an integer number (1072177732).
Almost surely, 22144355463 is an apocalyptic number.
2144355463 is a deficient number, since it is larger than the sum of its proper divisors (1).
2144355463 is an equidigital number, since it uses as much as digits as its factorization.
2144355463 is an evil number, because the sum of its binary digits is even.
The product of its digits is 172800, while the sum is 37.
The square root of 2144355463 is about 46307.1858678542. The cubic root of 2144355463 is about 1289.5324032890.
Adding to 2144355463 its reverse (3645534412), we get a palindrome (5789889875).
The spelling of 2144355463 in words is "two billion, one hundred forty-four million, three hundred fifty-five thousand, four hundred sixty-three".
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