Base | Representation |
---|---|
bin | 10001101011110010000… |
… | …100010101011101011110 |
3 | 11022011202022012221120012 |
4 | 101223302010111131132 |
5 | 124402303423001342 |
6 | 2330135141323222 |
7 | 153540554365325 |
oct | 21536204253536 |
9 | 4264668187505 |
10 | 1215242000222 |
11 | 429421478498 |
12 | 177632106512 |
13 | 8a79b305153 |
14 | 42b649450bc |
15 | 21927da3b82 |
hex | 11af211575e |
1215242000222 has 16 divisors (see below), whose sum is σ = 1835791775232. Its totient is φ = 603318504600.
The previous prime is 1215242000207. The next prime is 1215242000227. The reversal of 1215242000222 is 2220002425121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1215242000227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430798 + ... + 2116049.
It is an arithmetic number, because the mean of its divisors is an integer number (114736985952).
Almost surely, 21215242000222 is an apocalyptic number.
1215242000222 is a deficient number, since it is larger than the sum of its proper divisors (620549775010).
1215242000222 is a wasteful number, since it uses less digits than its factorization.
1215242000222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3548063.
The product of its (nonzero) digits is 1280, while the sum is 23.
Adding to 1215242000222 its reverse (2220002425121), we get a palindrome (3435244425343).
The spelling of 1215242000222 in words is "one trillion, two hundred fifteen billion, two hundred forty-two million, two hundred twenty-two", and thus it is an aban number.
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