Base | Representation |
---|---|
bin | 111111110111011… |
… | …1110010001101111 |
3 | 12112100110200222102 |
4 | 1333232332101233 |
5 | 13342103121033 |
6 | 552352205315 |
7 | 104051241065 |
oct | 17756762157 |
9 | 5470420872 |
10 | 2143020143 |
11 | 9aa751830 |
12 | 4b983983b |
13 | 281ca1274 |
14 | 164888035 |
15 | c8213de8 |
hex | 7fbbe46f |
2143020143 has 8 divisors (see below), whose sum is σ = 2339023440. Its totient is φ = 1947214080.
The previous prime is 2143020133. The next prime is 2143020149. The reversal of 2143020143 is 3410203412.
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 2143020143 - 26 = 2143020079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143020149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26108 + ... + 70481.
It is an arithmetic number, because the mean of its divisors is an integer number (292377930).
Almost surely, 22143020143 is an apocalyptic number.
2143020143 is a deficient number, since it is larger than the sum of its proper divisors (196003297).
2143020143 is a wasteful number, since it uses less digits than its factorization.
2143020143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98617.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 2143020143 is about 46292.7655579141. The cubic root of 2143020143 is about 1289.2646777825.
Adding to 2143020143 its reverse (3410203412), we get a palindrome (5553223555).
The spelling of 2143020143 in words is "two billion, one hundred forty-three million, twenty thousand, one hundred forty-three".
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