Base | Representation |
---|---|
bin | 111111111001100… |
… | …1110001100000001 |
3 | 12112102120021202021 |
4 | 1333303032030001 |
5 | 13342344241024 |
6 | 552432121441 |
7 | 104063560132 |
oct | 17763161401 |
9 | 5472507667 |
10 | 2144133889 |
11 | a00342587 |
12 | 4ba096281 |
13 | 2822a11a1 |
14 | 164a97c89 |
15 | c8383de4 |
hex | 7fcce301 |
2144133889 has 4 divisors (see below), whose sum is σ = 2145941424. Its totient is φ = 2142326356.
The previous prime is 2144133883. The next prime is 2144133913. The reversal of 2144133889 is 9883314412.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2144133889 - 29 = 2144133377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2144133883) 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, 901987 + ... + 904360.
It is an arithmetic number, because the mean of its divisors is an integer number (536485356).
Almost surely, 22144133889 is an apocalyptic number.
It is an amenable number.
2144133889 is a deficient number, since it is larger than the sum of its proper divisors (1807535).
2144133889 is a wasteful number, since it uses less digits than its factorization.
2144133889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1807534.
The product of its digits is 165888, while the sum is 43.
The square root of 2144133889 is about 46304.7933695854. The cubic root of 2144133889 is about 1289.4879864157.
The spelling of 2144133889 in words is "two billion, one hundred forty-four million, one hundred thirty-three thousand, eight hundred eighty-nine".
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