Base | Representation |
---|---|
bin | 111111111001011… |
… | …0100110101011010 |
3 | 12112102101000022002 |
4 | 1333302310311122 |
5 | 13342332430132 |
6 | 552430001002 |
7 | 104062645310 |
oct | 17762646532 |
9 | 5472330262 |
10 | 2144030042 |
11 | a00281560 |
12 | 4ba046162 |
13 | 282265b3b |
14 | 164a6c0b0 |
15 | c8363262 |
hex | 7fcb4d5a |
2144030042 has 32 divisors (see below), whose sum is σ = 4013397504. Its totient is φ = 834548400.
The previous prime is 2144030033. The next prime is 2144030047. The reversal of 2144030042 is 2400304412.
It is a junction number, because it is equal to n+sod(n) for n = 2144029996 and 2144030023.
It is not an unprimeable number, because it can be changed into a prime (2144030047) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173117 + ... + 185087.
It is an arithmetic number, because the mean of its divisors is an integer number (125418672).
Almost surely, 22144030042 is an apocalyptic number.
2144030042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2144030042 is a deficient number, since it is larger than the sum of its proper divisors (1869367462).
2144030042 is a wasteful number, since it uses less digits than its factorization.
2144030042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13154.
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 2144030042 is about 46303.6720142150. The cubic root of 2144030042 is about 1289.4671681230.
Adding to 2144030042 its reverse (2400304412), we get a palindrome (4544334454).
The spelling of 2144030042 in words is "two billion, one hundred forty-four million, thirty thousand, forty-two".
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