Base | Representation |
---|---|
bin | 11101110011011… |
… | …10000111100101 |
3 | 122102102221011122 |
4 | 32321232013211 |
5 | 1003000342013 |
6 | 40450343325 |
7 | 6124032230 |
oct | 1671560745 |
9 | 572387148 |
10 | 250012133 |
11 | 1191418a8 |
12 | 6b88ab45 |
13 | 3ca48097 |
14 | 252c0417 |
15 | 16e37a08 |
hex | ee6e1e5 |
250012133 has 4 divisors (see below), whose sum is σ = 285728160. Its totient is φ = 214296108.
The previous prime is 250012123. The next prime is 250012157. The reversal of 250012133 is 331210052.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 250012133 - 26 = 250012069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (250012123) 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 3 ways as a sum of consecutive naturals, for example, 17858003 + ... + 17858016.
It is an arithmetic number, because the mean of its divisors is an integer number (71432040).
Almost surely, 2250012133 is an apocalyptic number.
It is an amenable number.
250012133 is a deficient number, since it is larger than the sum of its proper divisors (35716027).
250012133 is an equidigital number, since it uses as much as digits as its factorization.
250012133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35716026.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 250012133 is about 15811.7719753353. The cubic root of 250012133 is about 629.9707158640.
Adding to 250012133 its reverse (331210052), we get a palindrome (581222185).
The spelling of 250012133 in words is "two hundred fifty million, twelve thousand, one hundred thirty-three".
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