Base | Representation |
---|---|
bin | 1100011111011… |
… | …10010011010111 |
3 | 21022011122011001 |
4 | 12033232103113 |
5 | 203311110421 |
6 | 14221524131 |
7 | 2411441644 |
oct | 617562327 |
9 | 238148131 |
10 | 104785111 |
11 | 5416a672 |
12 | 2b113647 |
13 | 1892a832 |
14 | dcb8dcb |
15 | 92ec691 |
hex | 63ee4d7 |
104785111 has 2 divisors, whose sum is σ = 104785112. Its totient is φ = 104785110.
The previous prime is 104785103. The next prime is 104785139. The reversal of 104785111 is 111587401.
It is an a-pointer prime, because the next prime (104785139) can be obtained adding 104785111 to its sum of digits (28).
It is a weak prime.
It is an emirp because it is prime and its reverse (111587401) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 104785111 - 23 = 104785103 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 104785111.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (104785141) 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, 52392555 + 52392556.
It is an arithmetic number, because the mean of its divisors is an integer number (52392556).
Almost surely, 2104785111 is an apocalyptic number.
104785111 is a deficient number, since it is larger than the sum of its proper divisors (1).
104785111 is an equidigital number, since it uses as much as digits as its factorization.
104785111 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1120, while the sum is 28.
The square root of 104785111 is about 10236.4598861130. The cubic root of 104785111 is about 471.4473431373.
The spelling of 104785111 in words is "one hundred four million, seven hundred eighty-five thousand, one hundred eleven".
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