Base | Representation |
---|---|
bin | 10001010101111111111100… |
… | …10011111111111111111111 |
3 | 12000001002011002101010101112 |
4 | 20222333332103333333333 |
5 | 14444333222001330202 |
6 | 213040535520232235 |
7 | 11014320641623265 |
oct | 1052777623777777 |
9 | 160032132333345 |
10 | 38139281276927 |
11 | 11174861aa0116 |
12 | 433b79416b67b |
13 | 1838698a2bb6c |
14 | 95bd45a08435 |
15 | 4621547e0b52 |
hex | 22affe4fffff |
38139281276927 has 4 divisors (see below), whose sum is σ = 38139870392616. Its totient is φ = 38138692161240.
The previous prime is 38139281276917. The next prime is 38139281276933. The reversal of 38139281276927 is 72967218293183.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38139281276927 - 222 = 38139277082623 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38139281276917) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294460724 + ... + 294590217.
It is an arithmetic number, because the mean of its divisors is an integer number (9534967598154).
Almost surely, 238139281276927 is an apocalyptic number.
38139281276927 is a deficient number, since it is larger than the sum of its proper divisors (589115689).
38139281276927 is an equidigital number, since it uses as much as digits as its factorization.
38139281276927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 589115688.
The product of its digits is 109734912, while the sum is 68.
The spelling of 38139281276927 in words is "thirty-eight trillion, one hundred thirty-nine billion, two hundred eighty-one million, two hundred seventy-six thousand, nine hundred twenty-seven".
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