Base | Representation |
---|---|
bin | 100000010011101010111… |
… | …010011001011110111100 |
3 | 21212020120200012002212012 |
4 | 200103222322121132330 |
5 | 242333323420131022 |
6 | 4415530433230352 |
7 | 316254150124400 |
oct | 40235272313674 |
9 | 7766520162765 |
10 | 2220144302012 |
11 | 78661564126a |
12 | 2ba341a023b8 |
13 | 131488113680 |
14 | 7965409b100 |
15 | 3cb3ebc3de2 |
hex | 204eae997bc |
2220144302012 has 144 divisors (see below), whose sum is σ = 4938611825952. Its totient is φ = 865442672640.
The previous prime is 2220144302009. The next prime is 2220144302027. The reversal of 2220144302012 is 2102034410222.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217805588 + ... + 217815780.
It is an arithmetic number, because the mean of its divisors is an integer number (34295915458).
Almost surely, 22220144302012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2220144302012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2469305912976).
2220144302012 is an abundant number, since it is smaller than the sum of its proper divisors (2718467523940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220144302012 is a wasteful number, since it uses less digits than its factorization.
2220144302012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11468 (or 11459 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 2220144302012 its reverse (2102034410222), we get a palindrome (4322178712234).
The spelling of 2220144302012 in words is "two trillion, two hundred twenty billion, one hundred forty-four million, three hundred two thousand, twelve".
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