Base | Representation |
---|---|
bin | 111111110110000… |
… | …1110111110011111 |
3 | 12112022010020000122 |
4 | 1333230032332133 |
5 | 13341412131421 |
6 | 552324545155 |
7 | 104042160515 |
oct | 17754167637 |
9 | 5468106018 |
10 | 2142302111 |
11 | 9aa301314 |
12 | 4b95521bb |
13 | 281aac4b1 |
14 | 16473c4b5 |
15 | c81212ab |
hex | 7fb0ef9f |
2142302111 has 8 divisors (see below), whose sum is σ = 2195206944. Its totient is φ = 2089428480.
The previous prime is 2142302101. The next prime is 2142302137. The reversal of 2142302111 is 1112032412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2142302111 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2142302111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142302101) 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, 195695 + ... + 206351.
It is an arithmetic number, because the mean of its divisors is an integer number (274400868).
Almost surely, 22142302111 is an apocalyptic number.
2142302111 is a deficient number, since it is larger than the sum of its proper divisors (52904833).
2142302111 is a wasteful number, since it uses less digits than its factorization.
2142302111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15601.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 2142302111 is about 46285.0095711344. The cubic root of 2142302111 is about 1289.1206696936.
Adding to 2142302111 its reverse (1112032412), we get a palindrome (3254334523).
The spelling of 2142302111 in words is "two billion, one hundred forty-two million, three hundred two thousand, one hundred eleven".
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