Base | Representation |
---|---|
bin | 100011110000100000… |
… | …000111110100011001 |
3 | 10200002210101101022201 |
4 | 203300200013310121 |
5 | 1112113020101331 |
6 | 25345511250201 |
7 | 2526312326113 |
oct | 436040076431 |
9 | 120083341281 |
10 | 38394690841 |
11 | 15312890561 |
12 | 7536379961 |
13 | 380b60b0a0 |
14 | 1c032d43b3 |
15 | eeaad9a61 |
hex | 8f0807d19 |
38394690841 has 8 divisors (see below), whose sum is σ = 42309713600. Its totient is φ = 34617037392.
The previous prime is 38394690827. The next prime is 38394690863. The reversal of 38394690841 is 14809649383.
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 38394690841 - 27 = 38394690713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38394690811) 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, 34341741 + ... + 34342858.
It is an arithmetic number, because the mean of its divisors is an integer number (5288714200).
Almost surely, 238394690841 is an apocalyptic number.
It is an amenable number.
38394690841 is a deficient number, since it is larger than the sum of its proper divisors (3915022759).
38394690841 is a wasteful number, since it uses less digits than its factorization.
38394690841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68684655.
The product of its (nonzero) digits is 4478976, while the sum is 55.
The spelling of 38394690841 in words is "thirty-eight billion, three hundred ninety-four million, six hundred ninety thousand, eight hundred forty-one".
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