Base | Representation |
---|---|
bin | 100100000100010… |
… | …0011000010010100 |
3 | 10010100012112121002 |
4 | 1020020203002110 |
5 | 4434302401322 |
6 | 320030442432 |
7 | 41663350334 |
oct | 11010430224 |
9 | 3110175532 |
10 | 1210200212 |
11 | 571143371 |
12 | 299363418 |
13 | 163956200 |
14 | b6a270c4 |
15 | 713a2c92 |
hex | 48223094 |
1210200212 has 72 divisors (see below), whose sum is σ = 2456445600. Its totient is φ = 519861888.
The previous prime is 1210200203. The next prime is 1210200217. The reversal of 1210200212 is 2120020121.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1210200193 and 1210200202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1210200217) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 756998 + ... + 758594.
It is an arithmetic number, because the mean of its divisors is an integer number (34117300).
Almost surely, 21210200212 is an apocalyptic number.
It is an amenable number.
1210200212 is an abundant number, since it is smaller than the sum of its proper divisors (1246245388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210200212 is a wasteful number, since it uses less digits than its factorization.
1210200212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1705 (or 1690 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 1210200212 is about 34787.9319879754. The cubic root of 1210200212 is about 1065.6610066258.
Adding to 1210200212 its reverse (2120020121), we get a palindrome (3330220333).
The spelling of 1210200212 in words is "one billion, two hundred ten million, two hundred thousand, two hundred twelve".
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