Base | Representation |
---|---|
bin | 100011011110001010… |
… | …000011110111011001 |
3 | 10122022100020212210112 |
4 | 203132022003313121 |
5 | 1111000222330333 |
6 | 25255154454105 |
7 | 2515554313034 |
oct | 433612036731 |
9 | 118270225715 |
10 | 38086917593 |
11 | 151750879aa |
12 | 746b294335 |
13 | 378c91b13a |
14 | 1bb449a01b |
15 | ecda92948 |
hex | 8de283dd9 |
38086917593 has 2 divisors, whose sum is σ = 38086917594. Its totient is φ = 38086917592.
The previous prime is 38086917563. The next prime is 38086917613. The reversal of 38086917593 is 39571968083.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23027455504 + 15059462089 = 151748^2 + 122717^2 .
It is an emirp because it is prime and its reverse (39571968083) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38086917593 - 224 = 38070140377 is a prime.
It is a super-2 number, since 2×380869175932 (a number of 22 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (38086917503) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19043458796 + 19043458797.
It is an arithmetic number, because the mean of its divisors is an integer number (19043458797).
Almost surely, 238086917593 is an apocalyptic number.
It is an amenable number.
38086917593 is a deficient number, since it is larger than the sum of its proper divisors (1).
38086917593 is an equidigital number, since it uses as much as digits as its factorization.
38086917593 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9797760, while the sum is 59.
The spelling of 38086917593 in words is "thirty-eight billion, eighty-six million, nine hundred seventeen thousand, five hundred ninety-three".
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