Base | Representation |
---|---|
bin | 11001100110000011… |
… | …000100100111011011 |
3 | 2121221021000102012001 |
4 | 121212003010213123 |
5 | 422240330311042 |
6 | 20343000101431 |
7 | 1662012112063 |
oct | 314603044733 |
9 | 77837012161 |
10 | 27481885147 |
11 | 10722898082 |
12 | 53ab764877 |
13 | 278c792602 |
14 | 1489c403a3 |
15 | aaca20bb7 |
hex | 6660c49db |
27481885147 has 2 divisors, whose sum is σ = 27481885148. Its totient is φ = 27481885146.
The previous prime is 27481885141. The next prime is 27481885153. The reversal of 27481885147 is 74158818472.
It is a balanced prime because it is at equal distance from previous prime (27481885141) and next prime (27481885153).
It is a cyclic number.
It is not a de Polignac number, because 27481885147 - 219 = 27481360859 is a prime.
It is a super-2 number, since 2×274818851472 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (27481885141) 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, 13740942573 + 13740942574.
It is an arithmetic number, because the mean of its divisors is an integer number (13740942574).
Almost surely, 227481885147 is an apocalyptic number.
27481885147 is a deficient number, since it is larger than the sum of its proper divisors (1).
27481885147 is an equidigital number, since it uses as much as digits as its factorization.
27481885147 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4014080, while the sum is 55.
The spelling of 27481885147 in words is "twenty-seven billion, four hundred eighty-one million, eight hundred eighty-five thousand, one hundred forty-seven".
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