Base | Representation |
---|---|
bin | 111101101001100… |
… | …1010000011111111 |
3 | 12100011110202111202 |
4 | 1323103022003333 |
5 | 13214031311034 |
6 | 541133410115 |
7 | 102155655461 |
oct | 17323120377 |
9 | 5304422452 |
10 | 2068619519 |
11 | 97175550a |
12 | 49893993b |
13 | 26c751725 |
14 | 158a3c131 |
15 | c191947e |
hex | 7b4ca0ff |
2068619519 has 2 divisors, whose sum is σ = 2068619520. Its totient is φ = 2068619518.
The previous prime is 2068619489. The next prime is 2068619599. The reversal of 2068619519 is 9159168602.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2068619519 - 28 = 2068619263 is a prime.
It is a super-2 number, since 2×20686195192 = 8558373428775582722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2068619599) 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, 1034309759 + 1034309760.
It is an arithmetic number, because the mean of its divisors is an integer number (1034309760).
Almost surely, 22068619519 is an apocalyptic number.
2068619519 is a deficient number, since it is larger than the sum of its proper divisors (1).
2068619519 is an equidigital number, since it uses as much as digits as its factorization.
2068619519 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 233280, while the sum is 47.
The square root of 2068619519 is about 45482.0790971565. The cubic root of 2068619519 is about 1274.1685249588.
The spelling of 2068619519 in words is "two billion, sixty-eight million, six hundred nineteen thousand, five hundred nineteen".
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