Base | Representation |
---|---|
bin | 110101101101111010… |
… | …001101111110100001 |
3 | 12111212201101002010110 |
4 | 311231322031332201 |
5 | 1421111202143433 |
6 | 42255215321533 |
7 | 4111220416425 |
oct | 655572157641 |
9 | 174781332113 |
10 | 57678552993 |
11 | 22509048616 |
12 | b2185202a9 |
13 | 55928160c9 |
14 | 2b12440b85 |
15 | 1778a46963 |
hex | d6de8dfa1 |
57678552993 has 8 divisors (see below), whose sum is σ = 76932928800. Its totient is φ = 38438272928.
The previous prime is 57678552991. The next prime is 57678553039. The reversal of 57678552993 is 39925587675.
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 57678552993 - 21 = 57678552991 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (57678552991) 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, 3514383 + ... + 3530756.
It is an arithmetic number, because the mean of its divisors is an integer number (9616616100).
Almost surely, 257678552993 is an apocalyptic number.
It is an amenable number.
57678552993 is a deficient number, since it is larger than the sum of its proper divisors (19254375807).
57678552993 is a wasteful number, since it uses less digits than its factorization.
57678552993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7047871.
The product of its digits is 142884000, while the sum is 66.
The spelling of 57678552993 in words is "fifty-seven billion, six hundred seventy-eight million, five hundred fifty-two thousand, nine hundred ninety-three".
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