Base | Representation |
---|---|
bin | 110101001010010101… |
… | …010100000110110101 |
3 | 12110100010020121010001 |
4 | 311022111110012311 |
5 | 1413400402114323 |
6 | 42120054231301 |
7 | 4060352146042 |
oct | 651225240665 |
9 | 173303217101 |
10 | 57081676213 |
11 | 22232133221 |
12 | b090655531 |
13 | 54c8c71c93 |
14 | 2a9706c1c9 |
15 | 17414443ad |
hex | d4a5541b5 |
57081676213 has 4 divisors (see below), whose sum is σ = 57170450848. Its totient is φ = 56992901580.
The previous prime is 57081676151. The next prime is 57081676219. The reversal of 57081676213 is 31267618075.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 57081676213 - 221 = 57079579061 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 (57081676219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44386353 + ... + 44387638.
It is an arithmetic number, because the mean of its divisors is an integer number (14292612712).
Almost surely, 257081676213 is an apocalyptic number.
It is an amenable number.
57081676213 is a deficient number, since it is larger than the sum of its proper divisors (88774635).
57081676213 is an equidigital number, since it uses as much as digits as its factorization.
57081676213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88774634.
The product of its (nonzero) digits is 423360, while the sum is 46.
The spelling of 57081676213 in words is "fifty-seven billion, eighty-one million, six hundred seventy-six thousand, two hundred thirteen".
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