Base | Representation |
---|---|
bin | 10001110010001011000… |
… | …010001001001010000101 |
3 | 11022211110110222102212012 |
4 | 101302023002021022011 |
5 | 130010331421310020 |
6 | 2333232043104005 |
7 | 154202600465666 |
oct | 21621302111205 |
9 | 4284413872765 |
10 | 1222103306885 |
11 | 43132250276a |
12 | 178a27b12005 |
13 | 8b32296a716 |
14 | 43215cbb36d |
15 | 21bca4237c5 |
hex | 11c8b089285 |
1222103306885 has 8 divisors (see below), whose sum is σ = 1506159751416. Its totient is φ = 951258790080.
The previous prime is 1222103306857. The next prime is 1222103306909. The reversal of 1222103306885 is 5886033012221.
It can be written as a sum of positive squares in 4 ways, for example, as 488096452321 + 734006854564 = 698639^2 + 856742^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1222103306885 - 236 = 1153383830149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3302981726 + ... + 3302982095.
It is an arithmetic number, because the mean of its divisors is an integer number (188269968927).
Almost surely, 21222103306885 is an apocalyptic number.
It is an amenable number.
1222103306885 is a deficient number, since it is larger than the sum of its proper divisors (284056444531).
1222103306885 is an equidigital number, since it uses as much as digits as its factorization.
1222103306885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6605963863.
The product of its (nonzero) digits is 138240, while the sum is 41.
The spelling of 1222103306885 in words is "one trillion, two hundred twenty-two billion, one hundred three million, three hundred six thousand, eight hundred eighty-five".
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