Base | Representation |
---|---|
bin | 1000100011111100… |
… | …0000111011111001 |
3 | 12221011111200112200 |
4 | 2020333000323321 |
5 | 14201321022111 |
6 | 1020014500413 |
7 | 110644356450 |
oct | 21077007371 |
9 | 5834450480 |
10 | 2298220281 |
11 | a7a315a05 |
12 | 541804709 |
13 | 2a81a1076 |
14 | 17b327b97 |
15 | d6b6e256 |
hex | 88fc0ef9 |
2298220281 has 12 divisors (see below), whose sum is σ = 3793887552. Its totient is φ = 1313268696.
The previous prime is 2298220279. The next prime is 2298220313. The reversal of 2298220281 is 1820228922.
It is a happy number.
It is not a de Polignac number, because 2298220281 - 21 = 2298220279 is a prime.
It is a super-3 number, since 3×22982202813 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (2298220081) 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 11 ways as a sum of consecutive naturals, for example, 18239781 + ... + 18239906.
It is an arithmetic number, because the mean of its divisors is an integer number (316157296).
Almost surely, 22298220281 is an apocalyptic number.
2298220281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2298220281 is a deficient number, since it is larger than the sum of its proper divisors (1495667271).
2298220281 is a wasteful number, since it uses less digits than its factorization.
2298220281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36479700 (or 36479697 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 2298220281 is about 47939.7567891202. The cubic root of 2298220281 is about 1319.6655643791.
The spelling of 2298220281 in words is "two billion, two hundred ninety-eight million, two hundred twenty thousand, two hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •