Base | Representation |
---|---|
bin | 111111111001110… |
… | …0100001110001111 |
3 | 12112102201212120000 |
4 | 1333303210032033 |
5 | 13342410133033 |
6 | 552434055343 |
7 | 104064414225 |
oct | 17763441617 |
9 | 5472655500 |
10 | 2144224143 |
11 | a003a4376 |
12 | 4ba11a553 |
13 | 2823032a9 |
14 | 164abcb15 |
15 | c83a0a13 |
hex | 7fce438f |
2144224143 has 10 divisors (see below), whose sum is σ = 3203100384. Its totient is φ = 1429482708.
The previous prime is 2144224139. The next prime is 2144224153. The reversal of 2144224143 is 3414224412.
It is not a de Polignac number, because 2144224143 - 22 = 2144224139 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144224123) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13235871 + ... + 13236032.
Almost surely, 22144224143 is an apocalyptic number.
2144224143 is a deficient number, since it is larger than the sum of its proper divisors (1058876241).
2144224143 is an equidigital number, since it uses as much as digits as its factorization.
2144224143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26471915 (or 26471906 counting only the distinct ones).
The product of its digits is 6144, while the sum is 27.
The square root of 2144224143 is about 46305.7679236615. The cubic root of 2144224143 is about 1289.5060791627.
Adding to 2144224143 its reverse (3414224412), we get a palindrome (5558448555).
The spelling of 2144224143 in words is "two billion, one hundred forty-four million, two hundred twenty-four thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •