Base | Representation |
---|---|
bin | 111100101100011… |
… | …101101110011111 |
3 | 2121222002102222110 |
4 | 330230131232133 |
5 | 4041140222210 |
6 | 245013245103 |
7 | 34143212520 |
oct | 7454355637 |
9 | 2558072873 |
10 | 1018289055 |
11 | 482885703 |
12 | 245033793 |
13 | 132c71904 |
14 | 9934c847 |
15 | 5e5e5420 |
hex | 3cb1db9f |
1018289055 has 16 divisors (see below), whose sum is σ = 1862014464. Its totient is φ = 465503520.
The previous prime is 1018289039. The next prime is 1018289057. The reversal of 1018289055 is 5509828101.
1018289055 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1018289055 - 24 = 1018289039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1018289057) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4848891 + ... + 4849100.
It is an arithmetic number, because the mean of its divisors is an integer number (116375904).
Almost surely, 21018289055 is an apocalyptic number.
1018289055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1018289055 is a deficient number, since it is larger than the sum of its proper divisors (843725409).
1018289055 is an equidigital number, since it uses as much as digits as its factorization.
1018289055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9698006.
The product of its (nonzero) digits is 28800, while the sum is 39.
The square root of 1018289055 is about 31910.6417202788. The cubic root of 1018289055 is about 1006.0595592430.
The spelling of 1018289055 in words is "one billion, eighteen million, two hundred eighty-nine thousand, fifty-five".
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