Base | Representation |
---|---|
bin | 100100001100000100… |
… | …000111110110111011 |
3 | 10201022000111212022001 |
4 | 210030010013312323 |
5 | 1114034410104034 |
6 | 25503430441431 |
7 | 2543626003534 |
oct | 441404076673 |
9 | 121260455261 |
10 | 38857113019 |
11 | 1552a91114a |
12 | 7645203277 |
13 | 3883366c8a |
14 | 1c488a768b |
15 | 10264cda14 |
hex | 90c107dbb |
38857113019 has 2 divisors, whose sum is σ = 38857113020. Its totient is φ = 38857113018.
The previous prime is 38857113017. The next prime is 38857113101. The reversal of 38857113019 is 91031175883.
It is a weak prime.
It is an emirp because it is prime and its reverse (91031175883) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38857113019 - 21 = 38857113017 is a prime.
It is a super-2 number, since 2×388571130192 (a number of 22 digits) contains 22 as substring.
Together with 38857113017, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 38857113019.
It is not a weakly prime, because it can be changed into another prime (38857113011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19428556509 + 19428556510.
It is an arithmetic number, because the mean of its divisors is an integer number (19428556510).
Almost surely, 238857113019 is an apocalyptic number.
38857113019 is a deficient number, since it is larger than the sum of its proper divisors (1).
38857113019 is an equidigital number, since it uses as much as digits as its factorization.
38857113019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 181440, while the sum is 46.
The spelling of 38857113019 in words is "thirty-eight billion, eight hundred fifty-seven million, one hundred thirteen thousand, nineteen".
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