Base | Representation |
---|---|
bin | 100011100000101111… |
… | …101011011111111011 |
3 | 10122102100221122111011 |
4 | 203200233223133323 |
5 | 1111042331134231 |
6 | 25303345214351 |
7 | 2516622326422 |
oct | 434057533773 |
9 | 118370848434 |
10 | 38130333691 |
11 | 1519764107a |
12 | 74819313b7 |
13 | 379890c838 |
14 | 1bba15c2b9 |
15 | ed27bb9b1 |
hex | 8e0beb7fb |
38130333691 has 2 divisors, whose sum is σ = 38130333692. Its totient is φ = 38130333690.
The previous prime is 38130333679. The next prime is 38130333739. The reversal of 38130333691 is 19633303183.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 38130333691 - 211 = 38130331643 is a prime.
It is not a weakly prime, because it can be changed into another prime (38130333671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19065166845 + 19065166846.
It is an arithmetic number, because the mean of its divisors is an integer number (19065166846).
Almost surely, 238130333691 is an apocalyptic number.
38130333691 is a deficient number, since it is larger than the sum of its proper divisors (1).
38130333691 is an equidigital number, since it uses as much as digits as its factorization.
38130333691 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 104976, while the sum is 40.
The spelling of 38130333691 in words is "thirty-eight billion, one hundred thirty million, three hundred thirty-three thousand, six hundred ninety-one".
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