Base | Representation |
---|---|
bin | 1111010000101… |
… | …10111101001111 |
3 | 22220220002211201 |
4 | 13220112331033 |
5 | 230233122203 |
6 | 20411530331 |
7 | 3113104015 |
oct | 750267517 |
9 | 286802751 |
10 | 128020303 |
11 | 6629a604 |
12 | 36a599a7 |
13 | 206a4678 |
14 | 130068b5 |
15 | b38be1d |
hex | 7a16f4f |
128020303 has 2 divisors, whose sum is σ = 128020304. Its totient is φ = 128020302.
The previous prime is 128020283. The next prime is 128020337. The reversal of 128020303 is 303020821.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (303020821) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 128020303 - 213 = 128012111 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (128020393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64010151 + 64010152.
It is an arithmetic number, because the mean of its divisors is an integer number (64010152).
Almost surely, 2128020303 is an apocalyptic number.
128020303 is a deficient number, since it is larger than the sum of its proper divisors (1).
128020303 is an equidigital number, since it uses as much as digits as its factorization.
128020303 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 128020303 is about 11314.6057377180. The cubic root of 128020303 is about 503.9950645670.
The spelling of 128020303 in words is "one hundred twenty-eight million, twenty thousand, three hundred three".
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