Base | Representation |
---|---|
bin | 100100001000111100… |
… | …100011011111111111 |
3 | 10201011101001221210222 |
4 | 210020330203133333 |
5 | 1113433012004224 |
6 | 25454321251555 |
7 | 2542422223142 |
oct | 441074433777 |
9 | 121141057728 |
10 | 38804797439 |
11 | 15503329731 |
12 | 762b793bbb |
13 | 387557a905 |
14 | 1c4196a059 |
15 | 1021ae7b5e |
hex | 908f237ff |
38804797439 has 4 divisors (see below), whose sum is σ = 38805191424. Its totient is φ = 38804403456.
The previous prime is 38804797411. The next prime is 38804797457. The reversal of 38804797439 is 93479740883.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 38804797439 - 28 = 38804797183 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 (38804797039) 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, 96959 + ... + 294975.
It is an arithmetic number, because the mean of its divisors is an integer number (9701297856).
Almost surely, 238804797439 is an apocalyptic number.
38804797439 is a deficient number, since it is larger than the sum of its proper divisors (393985).
38804797439 is a wasteful number, since it uses less digits than its factorization.
38804797439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 393984.
The product of its (nonzero) digits is 36578304, while the sum is 62.
The spelling of 38804797439 in words is "thirty-eight billion, eight hundred four million, seven hundred ninety-seven thousand, four hundred thirty-nine".
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