Base | Representation |
---|---|
bin | 111111110100100… |
… | …0101111111101001 |
3 | 12112020120101202221 |
4 | 1333221011333221 |
5 | 13341204311024 |
6 | 552255154041 |
7 | 104032161454 |
oct | 17751057751 |
9 | 5466511687 |
10 | 2141478889 |
11 | 9a9899870 |
12 | 4b9215921 |
13 | 281881894 |
14 | 1645a649b |
15 | c800c3e4 |
hex | 7fa45fe9 |
2141478889 has 8 divisors (see below), whose sum is σ = 2336561568. Its totient is φ = 1946463360.
The previous prime is 2141478881. The next prime is 2141478893. The reversal of 2141478889 is 9888741412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2141478889 - 23 = 2141478881 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2141478881) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68974 + ... + 95080.
It is an arithmetic number, because the mean of its divisors is an integer number (292070196).
Almost surely, 22141478889 is an apocalyptic number.
It is an amenable number.
2141478889 is a deficient number, since it is larger than the sum of its proper divisors (195082679).
2141478889 is a wasteful number, since it uses less digits than its factorization.
2141478889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33575.
The product of its digits is 1032192, while the sum is 52.
The square root of 2141478889 is about 46276.1157510005. The cubic root of 2141478889 is about 1288.9555251586.
The spelling of 2141478889 in words is "two billion, one hundred forty-one million, four hundred seventy-eight thousand, eight hundred eighty-nine".
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