Base | Representation |
---|---|
bin | 10001101110001100… |
… | …001100100001100011 |
3 | 1211010010121000001102 |
4 | 101232030030201203 |
5 | 302432302404341 |
6 | 12424104025015 |
7 | 1242355043141 |
oct | 215614144143 |
9 | 54103530042 |
10 | 19028559971 |
11 | 8085142823 |
12 | 383076216b |
13 | 1a4335a155 |
14 | cc7290591 |
15 | 76582bc9b |
hex | 46e30c863 |
19028559971 has 2 divisors, whose sum is σ = 19028559972. Its totient is φ = 19028559970.
The previous prime is 19028559941. The next prime is 19028560009. The reversal of 19028559971 is 17995582091.
It is a weak prime.
It is an emirp because it is prime and its reverse (17995582091) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 19028559971 - 214 = 19028543587 is a prime.
It is not a weakly prime, because it can be changed into another prime (19028559941) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9514279985 + 9514279986.
It is an arithmetic number, because the mean of its divisors is an integer number (9514279986).
Almost surely, 219028559971 is an apocalyptic number.
19028559971 is a deficient number, since it is larger than the sum of its proper divisors (1).
19028559971 is an equidigital number, since it uses as much as digits as its factorization.
19028559971 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2041200, while the sum is 56.
The spelling of 19028559971 in words is "nineteen billion, twenty-eight million, five hundred fifty-nine thousand, nine hundred seventy-one".
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