Base | Representation |
---|---|
bin | 1000010010100111… |
… | …0111010101101001 |
3 | 12202002210112002102 |
4 | 2010221313111221 |
5 | 14024221121311 |
6 | 1004501343145 |
7 | 106103002523 |
oct | 20451672551 |
9 | 5662715072 |
10 | 2225567081 |
11 | a42302541 |
12 | 521407ab5 |
13 | 2961139ca |
14 | 171814a13 |
15 | d05bc43b |
hex | 84a77569 |
2225567081 has 2 divisors, whose sum is σ = 2225567082. Its totient is φ = 2225567080.
The previous prime is 2225567059. The next prime is 2225567107. The reversal of 2225567081 is 1807655222.
2225567081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1919841856 + 305725225 = 43816^2 + 17485^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2225567081 is a prime.
It is a super-2 number, since 2×22255670812 = 9906297664061721122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2225567011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112783540 + 1112783541.
It is an arithmetic number, because the mean of its divisors is an integer number (1112783541).
Almost surely, 22225567081 is an apocalyptic number.
It is an amenable number.
2225567081 is a deficient number, since it is larger than the sum of its proper divisors (1).
2225567081 is an equidigital number, since it uses as much as digits as its factorization.
2225567081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 67200, while the sum is 38.
The square root of 2225567081 is about 47175.9163239041. The cubic root of 2225567081 is about 1305.6102861348.
The spelling of 2225567081 in words is "two billion, two hundred twenty-five million, five hundred sixty-seven thousand, eighty-one".
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