Base | Representation |
---|---|
bin | 111111111010010… |
… | …0000011000010101 |
3 | 12112110012101120011 |
4 | 1333310200120111 |
5 | 13342441024144 |
6 | 552443240221 |
7 | 104066461504 |
oct | 17764403025 |
9 | 5473171504 |
10 | 2144470549 |
11 | a00552511 |
12 | 4ba219071 |
13 | 28238b4b0 |
14 | 164b4483b |
15 | c83eda34 |
hex | 7fd20615 |
2144470549 has 8 divisors (see below), whose sum is σ = 2430979040. Its totient is φ = 1875326256.
The previous prime is 2144470507. The next prime is 2144470571. The reversal of 2144470549 is 9450744412.
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 2144470549 - 29 = 2144470037 is a prime.
It is a super-2 number, since 2×21444705492 = 9197507871056722802, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144470579) 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, 4340787 + ... + 4341280.
It is an arithmetic number, because the mean of its divisors is an integer number (303872380).
Almost surely, 22144470549 is an apocalyptic number.
It is an amenable number.
2144470549 is a deficient number, since it is larger than the sum of its proper divisors (286508491).
2144470549 is a wasteful number, since it uses less digits than its factorization.
2144470549 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8682099.
The product of its (nonzero) digits is 161280, while the sum is 40.
The square root of 2144470549 is about 46308.4284876954. The cubic root of 2144470549 is about 1289.5554722987. Note that the first 3 decimals are identical.
The spelling of 2144470549 in words is "two billion, one hundred forty-four million, four hundred seventy thousand, five hundred forty-nine".
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