Base | Representation |
---|---|
bin | 110101101101111001… |
… | …110010101001111111 |
3 | 12111212201011101121210 |
4 | 311231321302221333 |
5 | 1421111140103322 |
6 | 42255213055503 |
7 | 4111216442241 |
oct | 655571625177 |
9 | 174781141553 |
10 | 57678441087 |
11 | 22508a81533 |
12 | b218487593 |
13 | 55927a71a7 |
14 | 2b12412091 |
15 | 1778a2370c |
hex | d6de72a7f |
57678441087 has 8 divisors (see below), whose sum is σ = 76905867520. Its totient is φ = 38451654360.
The previous prime is 57678441077. The next prime is 57678441101. The reversal of 57678441087 is 78014487675.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57678441087 - 210 = 57678440063 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 (57678441047) 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, 120912 + ... + 360522.
It is an arithmetic number, because the mean of its divisors is an integer number (9613233440).
Almost surely, 257678441087 is an apocalyptic number.
57678441087 is a deficient number, since it is larger than the sum of its proper divisors (19227426433).
57678441087 is a wasteful number, since it uses less digits than its factorization.
57678441087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 319853.
The product of its (nonzero) digits is 10536960, while the sum is 57.
The spelling of 57678441087 in words is "fifty-seven billion, six hundred seventy-eight million, four hundred forty-one thousand, eighty-seven".
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