Base | Representation |
---|---|
bin | 10001100111000110101… |
… | …111000010100100101100 |
3 | 11021200210022111102212102 |
4 | 101213012233002210230 |
5 | 124312012311432002 |
6 | 2323544543154232 |
7 | 153302244345422 |
oct | 21470657024454 |
9 | 4250708442772 |
10 | 1210220030252 |
11 | 427284725092 |
12 | 1766702a5978 |
13 | 8a17aa5359c |
14 | 428099a5112 |
15 | 2173205ca02 |
hex | 119c6bc292c |
1210220030252 has 24 divisors (see below), whose sum is σ = 2155322897280. Its totient is φ = 594500100480.
The previous prime is 1210220030251. The next prime is 1210220030291. The reversal of 1210220030252 is 2520300220121.
It is not an unprimeable number, because it can be changed into a prime (1210220030251) 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 7 ways as a sum of consecutive naturals, for example, 10770524 + ... + 10882307.
It is an arithmetic number, because the mean of its divisors is an integer number (89805120720).
Almost surely, 21210220030252 is an apocalyptic number.
It is an amenable number.
1210220030252 is a deficient number, since it is larger than the sum of its proper divisors (945102867028).
1210220030252 is a wasteful number, since it uses less digits than its factorization.
1210220030252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21653081 (or 21653079 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
Adding to 1210220030252 its reverse (2520300220121), we get a palindrome (3730520250373).
The spelling of 1210220030252 in words is "one trillion, two hundred ten billion, two hundred twenty million, thirty thousand, two hundred fifty-two".
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