Base | Representation |
---|---|
bin | 10001100101101100001011… |
… | …01000100000011011100101 |
3 | 12001221121202202200102022001 |
4 | 20302312011220200123211 |
5 | 20032201402124120210 |
6 | 214132342203405301 |
7 | 11101265236411201 |
oct | 1062660550403345 |
9 | 161847682612261 |
10 | 38678422488805 |
11 | 11362477172400 |
12 | 4408179523831 |
13 | 187748a034b28 |
14 | 97a08d329b01 |
15 | 4711ab82003a |
hex | 232d85a206e5 |
38678422488805 has 24 divisors (see below), whose sum is σ = 51017694903000. Its totient is φ = 28129466280960.
The previous prime is 38678422488767. The next prime is 38678422488833. The reversal of 38678422488805 is 50888422487683.
It can be written as a sum of positive squares in 4 ways, for example, as 14465714637924 + 24212707850881 = 3803382^2 + 4920641^2 .
It is not a de Polignac number, because 38678422488805 - 211 = 38678422486757 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69181021 + ... + 69737869.
It is an arithmetic number, because the mean of its divisors is an integer number (2125737287625).
Almost surely, 238678422488805 is an apocalyptic number.
It is an amenable number.
38678422488805 is a deficient number, since it is larger than the sum of its proper divisors (12339272414195).
38678422488805 is a wasteful number, since it uses less digits than its factorization.
38678422488805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671685 (or 671674 counting only the distinct ones).
The product of its (nonzero) digits is 1321205760, while the sum is 73.
The spelling of 38678422488805 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred twenty-two million, four hundred eighty-eight thousand, eight hundred five".
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