Base | Representation |
---|---|
bin | 11001011000001001001010… |
… | …01100001111111101100001 |
3 | 21022120220210202000122022102 |
4 | 30230010211030033331201 |
5 | 24303302403303420100 |
6 | 314404305154420145 |
7 | 14516534146561511 |
oct | 1454044514177541 |
9 | 238526722018272 |
10 | 55805134045025 |
11 | 16865908371362 |
12 | 63134aa591655 |
13 | 251a52b2c6171 |
14 | dacda910b841 |
15 | 66b946256cd5 |
hex | 32c12530ff61 |
55805134045025 has 12 divisors (see below), whose sum is σ = 73268858346732. Its totient is φ = 42017983280640.
The previous prime is 55805134045019. The next prime is 55805134045051. The reversal of 55805134045025 is 52054043150855.
It can be written as a sum of positive squares in 6 ways, for example, as 1291823189056 + 54513310855969 = 1136584^2 + 7383313^2 .
It is not a de Polignac number, because 55805134045025 - 244 = 38212948000609 is a prime.
It is a super-2 number, since 2×558051340450252 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65653098452 + ... + 65653099301.
It is an arithmetic number, because the mean of its divisors is an integer number (6105738195561).
Almost surely, 255805134045025 is an apocalyptic number.
It is an amenable number.
55805134045025 is a deficient number, since it is larger than the sum of its proper divisors (17463724301707).
55805134045025 is a wasteful number, since it uses less digits than its factorization.
55805134045025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131306197780 (or 131306197775 counting only the distinct ones).
The product of its (nonzero) digits is 2400000, while the sum is 47.
The spelling of 55805134045025 in words is "fifty-five trillion, eight hundred five billion, one hundred thirty-four million, forty-five thousand, twenty-five".
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