Base | Representation |
---|---|
bin | 10001101001010… |
… | …00000010000111 |
3 | 101022111211221001 |
4 | 20310220002013 |
5 | 300342410231 |
6 | 22404234131 |
7 | 3445043224 |
oct | 1064500207 |
9 | 338454831 |
10 | 148013191 |
11 | 76605557 |
12 | 4169b947 |
13 | 24884791 |
14 | 1592c94b |
15 | cedab61 |
hex | 8d28087 |
148013191 has 2 divisors, whose sum is σ = 148013192. Its totient is φ = 148013190.
The previous prime is 148013179. The next prime is 148013231. The reversal of 148013191 is 191310841.
It is a weak prime.
It is an emirp because it is prime and its reverse (191310841) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 148013191 - 225 = 114458759 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (148013111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74006595 + 74006596.
It is an arithmetic number, because the mean of its divisors is an integer number (74006596).
Almost surely, 2148013191 is an apocalyptic number.
148013191 is a deficient number, since it is larger than the sum of its proper divisors (1).
148013191 is an equidigital number, since it uses as much as digits as its factorization.
148013191 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 28.
The square root of 148013191 is about 12166.0671952772. The cubic root of 148013191 is about 528.9729618365.
The spelling of 148013191 in words is "one hundred forty-eight million, thirteen thousand, one hundred ninety-one".
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