Base | Representation |
---|---|
bin | 10001101001011101010101… |
… | …01110010000011011011000 |
3 | 12002101222221211202001210200 |
4 | 20310232222232100123120 |
5 | 20041312031301200432 |
6 | 214312033354342200 |
7 | 11113530533226132 |
oct | 1064565256203330 |
9 | 162358854661720 |
10 | 38807893771992 |
11 | 11402376350794 |
12 | 442929112a960 |
13 | 188675150b677 |
14 | 9824524c6052 |
15 | 474738046a7c |
hex | 234baab906d8 |
38807893771992 has 48 divisors (see below), whose sum is σ = 108495186895680. Its totient is φ = 12518675409600.
The previous prime is 38807893771949. The next prime is 38807893772003. The reversal of 38807893771992 is 29917739870883.
38807893771992 is a `hidden beast` number, since 3 + 8 + 80 + 7 + 89 + 377 + 1 + 9 + 92 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8693522359 + ... + 8693526822.
It is an arithmetic number, because the mean of its divisors is an integer number (2260316393660).
Almost surely, 238807893771992 is an apocalyptic number.
It is an amenable number.
38807893771992 is an abundant number, since it is smaller than the sum of its proper divisors (69687293123688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38807893771992 is a wasteful number, since it uses less digits than its factorization.
38807893771992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17387049224 (or 17387049217 counting only the distinct ones).
The product of its (nonzero) digits is 2304433152, while the sum is 81.
The spelling of 38807893771992 in words is "thirty-eight trillion, eight hundred seven billion, eight hundred ninety-three million, seven hundred seventy-one thousand, nine hundred ninety-two".
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