Base | Representation |
---|---|
bin | 10001110010011101011… |
… | …111100111000000011111 |
3 | 11022212021001202120001022 |
4 | 101302131133213000133 |
5 | 130012000213134330 |
6 | 2333322505234355 |
7 | 154213351145141 |
oct | 21623537470037 |
9 | 4285231676038 |
10 | 1222413021215 |
11 | 431471311721 |
12 | 178ab37929bb |
13 | 8b371b8a039 |
14 | 4324509cc91 |
15 | 21be7700ae5 |
hex | 11c9d7e701f |
1222413021215 has 8 divisors (see below), whose sum is σ = 1482018261360. Its totient is φ = 967848659712.
The previous prime is 1222413021197. The next prime is 1222413021293. The reversal of 1222413021215 is 5121203142221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1222413021215 is a prime.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1260219125 + ... + 1260220094.
It is an arithmetic number, because the mean of its divisors is an integer number (185252282670).
Almost surely, 21222413021215 is an apocalyptic number.
1222413021215 is a deficient number, since it is larger than the sum of its proper divisors (259605240145).
1222413021215 is an equidigital number, since it uses as much as digits as its factorization.
1222413021215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2520439321.
The product of its (nonzero) digits is 1920, while the sum is 26.
Adding to 1222413021215 its reverse (5121203142221), we get a palindrome (6343616163436).
The spelling of 1222413021215 in words is "one trillion, two hundred twenty-two billion, four hundred thirteen million, twenty-one thousand, two hundred fifteen".
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