Base | Representation |
---|---|
bin | 100011101100111101… |
… | …011000000101111101 |
3 | 10122221122112111221012 |
4 | 203230331120011331 |
5 | 1112002311011223 |
6 | 25335545245005 |
7 | 2524661153426 |
oct | 435475300575 |
9 | 118848474835 |
10 | 38335250813 |
11 | 15292282372 |
12 | 751a493765 |
13 | 37cc1c8c82 |
14 | 1bd946064d |
15 | ee5797c78 |
hex | 8ecf5817d |
38335250813 has 6 divisors (see below), whose sum is σ = 38617131546. Its totient is φ = 38055412832.
The previous prime is 38335250773. The next prime is 38335250819. The reversal of 38335250813 is 31805253383.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 3887148409 + 34448102404 = 62347^2 + 185602^2 .
It is not a de Polignac number, because 38335250813 - 28 = 38335250557 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38335250819) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1002470 + ... + 1040007.
It is an arithmetic number, because the mean of its divisors is an integer number (6436188591).
Almost surely, 238335250813 is an apocalyptic number.
It is an amenable number.
38335250813 is a deficient number, since it is larger than the sum of its proper divisors (281880733).
38335250813 is an equidigital number, since it uses as much as digits as its factorization.
38335250813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2042751 (or 2042614 counting only the distinct ones).
The product of its (nonzero) digits is 259200, while the sum is 41.
The spelling of 38335250813 in words is "thirty-eight billion, three hundred thirty-five million, two hundred fifty thousand, eight hundred thirteen".
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