Base | Representation |
---|---|
bin | 1100010110001001000… |
… | …1110111111101101111 |
3 | 202021110202210200221220 |
4 | 3011202101313331233 |
5 | 11433341134002401 |
6 | 241234411154423 |
7 | 21216043244505 |
oct | 3054221677557 |
9 | 667422720856 |
10 | 212102250351 |
11 | 81a52210aa2 |
12 | 35134745a13 |
13 | 17002704864 |
14 | a3a1518675 |
15 | 57b5b91336 |
hex | 3162477f6f |
212102250351 has 4 divisors (see below), whose sum is σ = 282803000472. Its totient is φ = 141401500232.
The previous prime is 212102250323. The next prime is 212102250421. The reversal of 212102250351 is 153052201212.
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 212102250351 - 215 = 212102217583 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212102250551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35350375056 + ... + 35350375061.
It is an arithmetic number, because the mean of its divisors is an integer number (70700750118).
Almost surely, 2212102250351 is an apocalyptic number.
212102250351 is a deficient number, since it is larger than the sum of its proper divisors (70700750121).
212102250351 is an equidigital number, since it uses as much as digits as its factorization.
212102250351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70700750120.
The product of its (nonzero) digits is 1200, while the sum is 24.
Adding to 212102250351 its reverse (153052201212), we get a palindrome (365154451563).
The spelling of 212102250351 in words is "two hundred twelve billion, one hundred two million, two hundred fifty thousand, three hundred fifty-one".
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