Base | Representation |
---|---|
bin | 110101001010001010… |
… | …100101000000001111 |
3 | 12110022220221121111222 |
4 | 311022022211000033 |
5 | 1413344142034324 |
6 | 42115514033555 |
7 | 4060316214626 |
oct | 651212450017 |
9 | 173286847458 |
10 | 57078861839 |
11 | 2223059079a |
12 | b08b7188bb |
13 | 54c84c7c7c |
14 | 2a969386bd |
15 | 174108a55e |
hex | d4a2a500f |
57078861839 has 8 divisors (see below), whose sum is σ = 57534412800. Its totient is φ = 56623406616.
The previous prime is 57078861811. The next prime is 57078861857. The reversal of 57078861839 is 93816887075.
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 57078861839 - 228 = 56810426383 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 (57074861839) 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, 1620752 + ... + 1655594.
It is an arithmetic number, because the mean of its divisors is an integer number (7191801600).
Almost surely, 257078861839 is an apocalyptic number.
57078861839 is a deficient number, since it is larger than the sum of its proper divisors (455550961).
57078861839 is a wasteful number, since it uses less digits than its factorization.
57078861839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47869.
The product of its (nonzero) digits is 20321280, while the sum is 62.
The spelling of 57078861839 in words is "fifty-seven billion, seventy-eight million, eight hundred sixty-one thousand, eight hundred thirty-nine".
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