Base | Representation |
---|---|
bin | 110101111000011110… |
… | …010010001000111101 |
3 | 12112100001212010001001 |
4 | 311320132102020331 |
5 | 1421442034420024 |
6 | 42324550050301 |
7 | 4115502003442 |
oct | 657036221075 |
9 | 175301763031 |
10 | 57855779389 |
11 | 2259a096411 |
12 | b267949991 |
13 | 55c04586b5 |
14 | 2b2bbb59c9 |
15 | 17893a3244 |
hex | d7879223d |
57855779389 has 8 divisors (see below), whose sum is σ = 58759761312. Its totient is φ = 56956724400.
The previous prime is 57855779327. The next prime is 57855779417. The reversal of 57855779389 is 98397755875.
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 57855779389 - 227 = 57721561661 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 (57855779309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208062 + ... + 1255039.
It is an arithmetic number, because the mean of its divisors is an integer number (7344970164).
Almost surely, 257855779389 is an apocalyptic number.
It is an amenable number.
57855779389 is a deficient number, since it is larger than the sum of its proper divisors (903981923).
57855779389 is a wasteful number, since it uses less digits than its factorization.
57855779389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2463467.
The product of its digits is 666792000, while the sum is 73.
The spelling of 57855779389 in words is "fifty-seven billion, eight hundred fifty-five million, seven hundred seventy-nine thousand, three hundred eighty-nine".
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