Base | Representation |
---|---|
bin | 110101010011111101… |
… | …111100101011110001 |
3 | 12110202101102002222120 |
4 | 311103331330223301 |
5 | 1414213242314441 |
6 | 42144111024453 |
7 | 4064354134605 |
oct | 652375745361 |
9 | 173671362876 |
10 | 57243323121 |
11 | 223053aaa06 |
12 | b11680b129 |
13 | 55235bb23a |
14 | 2ab0709505 |
15 | 1750724966 |
hex | d53f7caf1 |
57243323121 has 8 divisors (see below), whose sum is σ = 76325823840. Its totient is φ = 38161518912.
The previous prime is 57243323089. The next prime is 57243323131. The reversal of 57243323121 is 12132334275.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57243323121 - 25 = 57243323089 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57243323131) 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, 64270 + ... + 344408.
It is an arithmetic number, because the mean of its divisors is an integer number (9540727980).
Almost surely, 257243323121 is an apocalyptic number.
It is an amenable number.
57243323121 is a deficient number, since it is larger than the sum of its proper divisors (19082500719).
57243323121 is a wasteful number, since it uses less digits than its factorization.
57243323121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348255.
The product of its digits is 30240, while the sum is 33.
Adding to 57243323121 its reverse (12132334275), we get a palindrome (69375657396).
The spelling of 57243323121 in words is "fifty-seven billion, two hundred forty-three million, three hundred twenty-three thousand, one hundred twenty-one".
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