Base | Representation |
---|---|
bin | 111111111000010… |
… | …0000011101100111 |
3 | 12112101020010122112 |
4 | 1333300200131213 |
5 | 13342204003221 |
6 | 552404551235 |
7 | 104054534432 |
oct | 17760403547 |
9 | 5471203575 |
10 | 2143422311 |
11 | 9aa9a69a8 |
12 | 4b99b251b |
13 | 2820b2334 |
14 | 164950819 |
15 | c829315b |
hex | 7fc20767 |
2143422311 has 8 divisors (see below), whose sum is σ = 2151414384. Its totient is φ = 2135445120.
The previous prime is 2143422301. The next prime is 2143422353. The reversal of 2143422311 is 1132243412.
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 2143422311 - 218 = 2143160167 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 (2143422301) 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, 341996 + ... + 348206.
It is an arithmetic number, because the mean of its divisors is an integer number (268926798).
Almost surely, 22143422311 is an apocalyptic number.
2143422311 is a deficient number, since it is larger than the sum of its proper divisors (7992073).
2143422311 is an equidigital number, since it uses as much as digits as its factorization.
2143422311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7441.
The product of its digits is 1152, while the sum is 23.
The square root of 2143422311 is about 46297.1090998131. The cubic root of 2143422311 is about 1289.3453223139.
Adding to 2143422311 its reverse (1132243412), we get a palindrome (3275665723).
The spelling of 2143422311 in words is "two billion, one hundred forty-three million, four hundred twenty-two thousand, three hundred eleven".
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