Base | Representation |
---|---|
bin | 1011111100100… |
… | …0101100101011 |
3 | 10111021121022121 |
4 | 2333020230223 |
5 | 100311331011 |
6 | 4545532111 |
7 | 1145613046 |
oct | 277105453 |
9 | 114247277 |
10 | 50105131 |
11 | 263127aa |
12 | 14944037 |
13 | a4c420b |
14 | 6923c5d |
15 | 45eae71 |
hex | 2fc8b2b |
50105131 has 4 divisors (see below), whose sum is σ = 50668200. Its totient is φ = 49542064.
The previous prime is 50105129. The next prime is 50105161. The reversal of 50105131 is 13150105.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 50105131 - 21 = 50105129 is a prime.
It is a super-2 number, since 2×501051312 = 5021048305054322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50105161) 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, 281401 + ... + 281578.
It is an arithmetic number, because the mean of its divisors is an integer number (12667050).
Almost surely, 250105131 is an apocalyptic number.
50105131 is a deficient number, since it is larger than the sum of its proper divisors (563069).
50105131 is an equidigital number, since it uses as much as digits as its factorization.
50105131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 563068.
The product of its (nonzero) digits is 75, while the sum is 16.
The square root of 50105131 is about 7078.4977926111. The cubic root of 50105131 is about 368.6611730505.
Adding to 50105131 its reverse (13150105), we get a palindrome (63255236).
The spelling of 50105131 in words is "fifty million, one hundred five thousand, one hundred thirty-one".
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