Base | Representation |
---|---|
bin | 111111010011101… |
… | …0110101100111011 |
3 | 12111001010212110002 |
4 | 1332213112230323 |
5 | 13322301331234 |
6 | 550441543215 |
7 | 103432535333 |
oct | 17647265473 |
9 | 5431125402 |
10 | 2124245819 |
11 | 9a0099363 |
12 | 4b34a4b0b |
13 | 27b1299b7 |
14 | 16219c0c3 |
15 | c675627e |
hex | 7e9d6b3b |
2124245819 has 2 divisors, whose sum is σ = 2124245820. Its totient is φ = 2124245818.
The previous prime is 2124245741. The next prime is 2124245857. The reversal of 2124245819 is 9185424212.
It is an a-pointer prime, because the next prime (2124245857) can be obtained adding 2124245819 to its sum of digits (38).
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2124245819 is a prime.
It is a super-2 number, since 2×21242458192 = 9024840599077961522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2124245869) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062122909 + 1062122910.
It is an arithmetic number, because the mean of its divisors is an integer number (1062122910).
Almost surely, 22124245819 is an apocalyptic number.
2124245819 is a deficient number, since it is larger than the sum of its proper divisors (1).
2124245819 is an equidigital number, since it uses as much as digits as its factorization.
2124245819 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 46080, while the sum is 38.
The square root of 2124245819 is about 46089.5413190455. The cubic root of 2124245819 is about 1285.4886822953.
The spelling of 2124245819 in words is "two billion, one hundred twenty-four million, two hundred forty-five thousand, eight hundred nineteen".
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