Base | Representation |
---|---|
bin | 100011110000010110… |
… | …011001110000100101 |
3 | 10200002121120221011222 |
4 | 203300112121300211 |
5 | 1112111342033020 |
6 | 25345340510125 |
7 | 2526251554505 |
oct | 436026316045 |
9 | 120077527158 |
10 | 38392142885 |
11 | 15311400208 |
12 | 753554b345 |
13 | 380ac28415 |
14 | 1c02c2da05 |
15 | eea784b25 |
hex | 8f0599c25 |
38392142885 has 8 divisors (see below), whose sum is σ = 46170078720. Its totient is φ = 30647376144.
The previous prime is 38392142863. The next prime is 38392142909. The reversal of 38392142885 is 58824129383.
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 38392142885 - 214 = 38392126501 is a prime.
It is a super-2 number, since 2×383921428852 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8289725 + ... + 8294354.
It is an arithmetic number, because the mean of its divisors is an integer number (5771259840).
Almost surely, 238392142885 is an apocalyptic number.
It is an amenable number.
38392142885 is a deficient number, since it is larger than the sum of its proper divisors (7777935835).
38392142885 is a wasteful number, since it uses less digits than its factorization.
38392142885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16584547.
The product of its digits is 3317760, while the sum is 53.
The spelling of 38392142885 in words is "thirty-eight billion, three hundred ninety-two million, one hundred forty-two thousand, eight hundred eighty-five".
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