Base | Representation |
---|---|
bin | 100000010011101010111… |
… | …010011001011111000100 |
3 | 21212020120200012002212111 |
4 | 200103222322121133010 |
5 | 242333323420131040 |
6 | 4415530433230404 |
7 | 316254150124411 |
oct | 40235272313704 |
9 | 7766520162774 |
10 | 2220144302020 |
11 | 786615641277 |
12 | 2ba341a02404 |
13 | 131488113688 |
14 | 7965409b108 |
15 | 3cb3ebc3dea |
hex | 204eae997c4 |
2220144302020 has 12 divisors (see below), whose sum is σ = 4662303034284. Its totient is φ = 888057720800.
The previous prime is 2220144302009. The next prime is 2220144302027. The reversal of 2220144302020 is 202034410222.
It can be written as a sum of positive squares in 2 ways, for example, as 373132835716 + 1847011466304 = 610846^2 + 1359048^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2220144301982 and 2220144302000.
It is not an unprimeable number, because it can be changed into a prime (2220144302027) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55503607531 + ... + 55503607570.
It is an arithmetic number, because the mean of its divisors is an integer number (388525252857).
Almost surely, 22220144302020 is an apocalyptic number.
2220144302020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2220144302020 is an abundant number, since it is smaller than the sum of its proper divisors (2442158732264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220144302020 is a wasteful number, since it uses less digits than its factorization.
2220144302020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111007215110 (or 111007215108 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
Adding to 2220144302020 its reverse (202034410222), we get a palindrome (2422178712242).
The spelling of 2220144302020 in words is "two trillion, two hundred twenty billion, one hundred forty-four million, three hundred two thousand, twenty".
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