Base | Representation |
---|---|
bin | 1111010110110001… |
… | …0101101111000001 |
3 | 101122021100101121121 |
4 | 3311230111233001 |
5 | 31420220310111 |
6 | 1521005352241 |
7 | 204101526031 |
oct | 36554255701 |
9 | 11567311547 |
10 | 4122041281 |
11 | 182586a696 |
12 | 970568681 |
13 | 508cb17a7 |
14 | 2b16418c1 |
15 | 191d30871 |
hex | f5b15bc1 |
4122041281 has 2 divisors, whose sum is σ = 4122041282. Its totient is φ = 4122041280.
The previous prime is 4122041269. The next prime is 4122041299. The reversal of 4122041281 is 1821402214.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3333330225 + 788711056 = 57735^2 + 28084^2 .
It is a cyclic number.
It is not a de Polignac number, because 4122041281 - 213 = 4122033089 is a prime.
It is a super-2 number, since 2×41220412812 = 33982448644536241922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (4122045281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061020640 + 2061020641.
It is an arithmetic number, because the mean of its divisors is an integer number (2061020641).
Almost surely, 24122041281 is an apocalyptic number.
It is an amenable number.
4122041281 is a deficient number, since it is larger than the sum of its proper divisors (1).
4122041281 is an equidigital number, since it uses as much as digits as its factorization.
4122041281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1024, while the sum is 25.
The square root of 4122041281 is about 64203.1251653687. The cubic root of 4122041281 is about 1603.3836311529.
Adding to 4122041281 its reverse (1821402214), we get a palindrome (5943443495).
The spelling of 4122041281 in words is "four billion, one hundred twenty-two million, forty-one thousand, two hundred eighty-one".
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