Base | Representation |
---|---|
bin | 1000011010101000010… |
… | …1010100101011000111 |
3 | 111211012112210010100022 |
4 | 2012222011110223013 |
5 | 4332103341133022 |
6 | 150231134405355 |
7 | 13306003662236 |
oct | 2065205245307 |
9 | 454175703308 |
10 | 144587442887 |
11 | 56356929958 |
12 | 2403206085b |
13 | 10833103844 |
14 | 6dd89bab1d |
15 | 3b63833c42 |
hex | 21aa154ac7 |
144587442887 has 2 divisors, whose sum is σ = 144587442888. Its totient is φ = 144587442886.
The previous prime is 144587442869. The next prime is 144587442911. The reversal of 144587442887 is 788244785441.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 144587442887 - 224 = 144570665671 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144587442817) 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, 72293721443 + 72293721444.
It is an arithmetic number, because the mean of its divisors is an integer number (72293721444).
Almost surely, 2144587442887 is an apocalyptic number.
144587442887 is a deficient number, since it is larger than the sum of its proper divisors (1).
144587442887 is an equidigital number, since it uses as much as digits as its factorization.
144587442887 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 64225280, while the sum is 62.
The spelling of 144587442887 in words is "one hundred forty-four billion, five hundred eighty-seven million, four hundred forty-two thousand, eight hundred eighty-seven".
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