Base | Representation |
---|---|
bin | 100100101100010011… |
… | …101111110110001110 |
3 | 10202200201102211022221 |
4 | 210230103233312032 |
5 | 1121141402024021 |
6 | 30033233325554 |
7 | 2563215103444 |
oct | 445423576616 |
9 | 122621384287 |
10 | 39398079886 |
11 | 15788209600 |
12 | 77764068ba |
13 | 393b463a09 |
14 | 1c9a684b94 |
15 | 1058c3a241 |
hex | 92c4efd8e |
39398079886 has 12 divisors (see below), whose sum is σ = 64957991616. Its totient is φ = 17908218020.
The previous prime is 39398079883. The next prime is 39398079901. The reversal of 39398079886 is 68897089393.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39398079883) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81400750 + ... + 81401233.
It is an arithmetic number, because the mean of its divisors is an integer number (5413165968).
Almost surely, 239398079886 is an apocalyptic number.
39398079886 is a deficient number, since it is larger than the sum of its proper divisors (25559911730).
39398079886 is a wasteful number, since it uses less digits than its factorization.
39398079886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162802007 (or 162801996 counting only the distinct ones).
The product of its (nonzero) digits is 141087744, while the sum is 70.
The spelling of 39398079886 in words is "thirty-nine billion, three hundred ninety-eight million, seventy-nine thousand, eight hundred eighty-six".
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