Base | Representation |
---|---|
bin | 100100001001101010… |
… | …101101001101001011 |
3 | 10201012012211121200010 |
4 | 210021222231031023 |
5 | 1113444111131234 |
6 | 25455432443003 |
7 | 2542630112322 |
oct | 441152551513 |
9 | 121165747603 |
10 | 38816895819 |
11 | 1550a142399 |
12 | 7633849463 |
13 | 3877c25610 |
14 | 1c433d90b9 |
15 | 1022bd76e9 |
hex | 909aad34b |
38816895819 has 8 divisors (see below), whose sum is σ = 55737081232. Its totient is φ = 23887320480.
The previous prime is 38816895773. The next prime is 38816895869. The reversal of 38816895819 is 91859861883.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38816895819 - 217 = 38816764747 is a prime.
It is a super-2 number, since 2×388168958192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38816895819.
It is not an unprimeable number, because it can be changed into a prime (38816895869) 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 in 7 ways as a sum of consecutive naturals, for example, 497652472 + ... + 497652549.
It is an arithmetic number, because the mean of its divisors is an integer number (6967135154).
Almost surely, 238816895819 is an apocalyptic number.
38816895819 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
38816895819 is a deficient number, since it is larger than the sum of its proper divisors (16920185413).
38816895819 is a wasteful number, since it uses less digits than its factorization.
38816895819 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 995305037.
The product of its digits is 29859840, while the sum is 66.
The spelling of 38816895819 in words is "thirty-eight billion, eight hundred sixteen million, eight hundred ninety-five thousand, eight hundred nineteen".
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