Base | Representation |
---|---|
bin | 10001011010111011111001… |
… | …00110001000111111111111 |
3 | 12000122021222100212022022222 |
4 | 20231131330212020333333 |
5 | 20010123113320424033 |
6 | 213250511205155555 |
7 | 11032504226411546 |
oct | 1055357446107777 |
9 | 160567870768288 |
10 | 38308903686143 |
11 | 1122a795468792 |
12 | 43686323bbbbb |
13 | 184b68b68c53c |
14 | 96623747115d |
15 | 466780e02598 |
hex | 22d77c988fff |
38308903686143 has 4 divisors (see below), whose sum is σ = 38308965619080. Its totient is φ = 38308841753208.
The previous prime is 38308903686133. The next prime is 38308903686149. The reversal of 38308903686143 is 34168630980383.
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 38308903686143 - 210 = 38308903685119 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 (38308903686149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30029180 + ... + 31278897.
It is an arithmetic number, because the mean of its divisors is an integer number (9577241404770).
Almost surely, 238308903686143 is an apocalyptic number.
38308903686143 is a deficient number, since it is larger than the sum of its proper divisors (61932937).
38308903686143 is an equidigital number, since it uses as much as digits as its factorization.
38308903686143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61932936.
The product of its (nonzero) digits is 53747712, while the sum is 62.
The spelling of 38308903686143 in words is "thirty-eight trillion, three hundred eight billion, nine hundred three million, six hundred eighty-six thousand, one hundred forty-three".
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