Base | Representation |
---|---|
bin | 1001000110100110… |
… | …10010101110010001 |
3 | 110121121011212110211 |
4 | 10203103102232101 |
5 | 40002112233111 |
6 | 2124542124121 |
7 | 232052514016 |
oct | 44323225621 |
9 | 13547155424 |
10 | 4887227281 |
11 | 2088792212 |
12 | b44880641 |
13 | 5cb695481 |
14 | 34510770d |
15 | 1d90cc521 |
hex | 1234d2b91 |
4887227281 has 2 divisors, whose sum is σ = 4887227282. Its totient is φ = 4887227280.
The previous prime is 4887227237. The next prime is 4887227311. The reversal of 4887227281 is 1827227884.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4517049681 + 370177600 = 67209^2 + 19240^2 .
It is a cyclic number.
It is not a de Polignac number, because 4887227281 - 27 = 4887227153 is a prime.
It is a super-2 number, since 2×48872272812 = 47769980992301305922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (4887227231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2443613640 + 2443613641.
It is an arithmetic number, because the mean of its divisors is an integer number (2443613641).
Almost surely, 24887227281 is an apocalyptic number.
It is an amenable number.
4887227281 is a deficient number, since it is larger than the sum of its proper divisors (1).
4887227281 is an equidigital number, since it uses as much as digits as its factorization.
4887227281 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 802816, while the sum is 49.
The square root of 4887227281 is about 69908.7067610323. The cubic root of 4887227281 is about 1697.0221548838.
The spelling of 4887227281 in words is "four billion, eight hundred eighty-seven million, two hundred twenty-seven thousand, two hundred eighty-one".
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