Base | Representation |
---|---|
bin | 1011000110101011… |
… | …0001000111110101 |
3 | 21200201212020101011 |
4 | 2301222301013311 |
5 | 22101034402420 |
6 | 1211440232221 |
7 | 133603125166 |
oct | 26152610765 |
9 | 7621766334 |
10 | 2980778485 |
11 | 129a631aa3 |
12 | 6b230b671 |
13 | 386714569 |
14 | 203c4176d |
15 | 126a4895a |
hex | b1ab11f5 |
2980778485 has 16 divisors (see below), whose sum is σ = 3706061040. Its totient is φ = 2298795520.
The previous prime is 2980778483. The next prime is 2980778513. The reversal of 2980778485 is 5848770892.
It can be written as a sum of positive squares in 8 ways, for example, as 608016964 + 2372761521 = 24658^2 + 48711^2 .
It is not a de Polignac number, because 2980778485 - 21 = 2980778483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2980778483) 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 in 15 ways as a sum of consecutive naturals, for example, 78945 + ... + 110425.
It is an arithmetic number, because the mean of its divisors is an integer number (231628815).
Almost surely, 22980778485 is an apocalyptic number.
It is an amenable number.
2980778485 is a deficient number, since it is larger than the sum of its proper divisors (725282555).
2980778485 is a wasteful number, since it uses less digits than its factorization.
2980778485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32168.
The product of its (nonzero) digits is 9031680, while the sum is 58.
The square root of 2980778485 is about 54596.5061611089. The cubic root of 2980778485 is about 1439.1627213724.
The spelling of 2980778485 in words is "two billion, nine hundred eighty million, seven hundred seventy-eight thousand, four hundred eighty-five".
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