Base | Representation |
---|---|
bin | 1000010010100001… |
… | …1110011110001001 |
3 | 12202002010000202221 |
4 | 2010220132132021 |
5 | 14024122444311 |
6 | 1004445454041 |
7 | 106066625353 |
oct | 20450363611 |
9 | 5662100687 |
10 | 2225203081 |
11 | a42084012 |
12 | 521271321 |
13 | 29601711a |
14 | 17175c0d3 |
15 | d0549671 |
hex | 84a1e789 |
2225203081 has 2 divisors, whose sum is σ = 2225203082. Its totient is φ = 2225203080.
The previous prime is 2225203061. The next prime is 2225203153. The reversal of 2225203081 is 1803025222.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2224537225 + 665856 = 47165^2 + 816^2 .
It is a cyclic number.
It is not a de Polignac number, because 2225203081 - 27 = 2225202953 is a prime.
It is a super-2 number, since 2×22252030812 = 9903057503383785122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2225203061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112601540 + 1112601541.
It is an arithmetic number, because the mean of its divisors is an integer number (1112601541).
Almost surely, 22225203081 is an apocalyptic number.
It is an amenable number.
2225203081 is a deficient number, since it is larger than the sum of its proper divisors (1).
2225203081 is an equidigital number, since it uses as much as digits as its factorization.
2225203081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 2225203081 is about 47172.0582654605. The cubic root of 2225203081 is about 1305.5391030702.
The spelling of 2225203081 in words is "two billion, two hundred twenty-five million, two hundred three thousand, eighty-one".
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