Base | Representation |
---|---|
bin | 1110101100101001111… |
… | …0010100110110000100 |
3 | 220010202111210121101102 |
4 | 3223022132110312010 |
5 | 13114112243104000 |
6 | 311555455315232 |
7 | 24146211341663 |
oct | 3531236246604 |
9 | 803674717342 |
10 | 252505050500 |
11 | 980a557781a |
12 | 40b2b51bb18 |
13 | 1aa710690b1 |
14 | c3153b8dda |
15 | 687cbe13d5 |
hex | 3aca794d84 |
252505050500 has 96 divisors (see below), whose sum is σ = 581524944000. Its totient is φ = 95516496000.
The previous prime is 252505050491. The next prime is 252505050509. The reversal of 252505050500 is 5050505252.
It is a happy number.
252505050500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (252505050491) and next prime (252505050509).
It is not an unprimeable number, because it can be changed into a prime (252505050509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5401226 + ... + 5447774.
It is an arithmetic number, because the mean of its divisors is an integer number (6057551500).
Almost surely, 2252505050500 is an apocalyptic number.
252505050500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 252505050500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290762472000).
252505050500 is an abundant number, since it is smaller than the sum of its proper divisors (329019893500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252505050500 is a wasteful number, since it uses less digits than its factorization.
252505050500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47158 (or 47146 counting only the distinct ones).
The product of its (nonzero) digits is 12500, while the sum is 29.
Adding to 252505050500 its reverse (5050505252), we get a palindrome (257555555752).
The spelling of 252505050500 in words is "two hundred fifty-two billion, five hundred five million, fifty thousand, five hundred".
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