Base | Representation |
---|---|
bin | 111100111000110… |
… | …1111000010110001 |
3 | 12021101102021002021 |
4 | 1321301233002301 |
5 | 13141012042011 |
6 | 534422151441 |
7 | 101425621012 |
oct | 17161570261 |
9 | 5241367067 |
10 | 2043080881 |
11 | 9592a19a6 |
12 | 490282581 |
13 | 26737c2ca |
14 | 1554b1009 |
15 | be572471 |
hex | 79c6f0b1 |
2043080881 has 4 divisors (see below), whose sum is σ = 2092912164. Its totient is φ = 1993249600.
The previous prime is 2043080813. The next prime is 2043080899. The reversal of 2043080881 is 1880803402.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 387893025 + 1655187856 = 19695^2 + 40684^2 .
It is a cyclic number.
It is not a de Polignac number, because 2043080881 - 215 = 2043048113 is a prime.
It is a super-2 number, since 2×20430808812 = 8348358972615472322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2043080981) 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 3 ways as a sum of consecutive naturals, for example, 24915580 + ... + 24915661.
It is an arithmetic number, because the mean of its divisors is an integer number (523228041).
Almost surely, 22043080881 is an apocalyptic number.
It is an amenable number.
2043080881 is a deficient number, since it is larger than the sum of its proper divisors (49831283).
2043080881 is an equidigital number, since it uses as much as digits as its factorization.
2043080881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49831282.
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 2043080881 is about 45200.4522211891. The cubic root of 2043080881 is about 1268.9032797381.
The spelling of 2043080881 in words is "two billion, forty-three million, eighty thousand, eight hundred eighty-one".
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