Base | Representation |
---|---|
bin | 100011101101010100… |
… | …110010111111010001 |
3 | 10122222002002102201012 |
4 | 203231110302333101 |
5 | 1112010343442124 |
6 | 25340325020305 |
7 | 2525064303656 |
oct | 435524627721 |
9 | 118862072635 |
10 | 38341390289 |
11 | 15295796014 |
12 | 7520554695 |
13 | 38005685b7 |
14 | 1bda1bbc2d |
15 | ee60abe0e |
hex | 8ed532fd1 |
38341390289 has 4 divisors (see below), whose sum is σ = 38585603124. Its totient is φ = 38097177456.
The previous prime is 38341390279. The next prime is 38341390291. The reversal of 38341390289 is 98209314383.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98209314383 = 33073 ⋅2969471.
It can be written as a sum of positive squares in 2 ways, for example, as 8241916225 + 30099474064 = 90785^2 + 173492^2 .
It is a cyclic number.
It is not a de Polignac number, because 38341390289 - 224 = 38324613073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38341390279) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122106182 + ... + 122106495.
It is an arithmetic number, because the mean of its divisors is an integer number (9646400781).
Almost surely, 238341390289 is an apocalyptic number.
It is an amenable number.
38341390289 is a deficient number, since it is larger than the sum of its proper divisors (244212835).
38341390289 is a wasteful number, since it uses less digits than its factorization.
38341390289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244212834.
The product of its (nonzero) digits is 1119744, while the sum is 50.
The spelling of 38341390289 in words is "thirty-eight billion, three hundred forty-one million, three hundred ninety thousand, two hundred eighty-nine".
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