Base | Representation |
---|---|
bin | 111111110110000… |
… | …1110100011100001 |
3 | 12112022010010122201 |
4 | 1333230032203201 |
5 | 13341412103020 |
6 | 552324533201 |
7 | 104042152501 |
oct | 17754164341 |
9 | 5468103581 |
10 | 2142300385 |
11 | 9aa2aaa95 |
12 | 4b9551201 |
13 | 281aab784 |
14 | 16473ba01 |
15 | c8120a0a |
hex | 7fb0e8e1 |
2142300385 has 8 divisors (see below), whose sum is σ = 2682532800. Its totient is φ = 1639325424.
The previous prime is 2142300371. The next prime is 2142300401. The reversal of 2142300385 is 5830032412.
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 2142300385 - 219 = 2141776097 is a prime.
It is a super-2 number, since 2×21423003852 = 9178901879142296450, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9314235 + ... + 9314464.
It is an arithmetic number, because the mean of its divisors is an integer number (335316600).
Almost surely, 22142300385 is an apocalyptic number.
It is an amenable number.
2142300385 is a deficient number, since it is larger than the sum of its proper divisors (540232415).
2142300385 is a wasteful number, since it uses less digits than its factorization.
2142300385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18628727.
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 2142300385 is about 46284.9909257850. The cubic root of 2142300385 is about 1289.1203234893.
Adding to 2142300385 its reverse (5830032412), we get a palindrome (7972332797).
The spelling of 2142300385 in words is "two billion, one hundred forty-two million, three hundred thousand, three hundred eighty-five".
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