Base | Representation |
---|---|
bin | 1000001101100011… |
… | …1100101110011001 |
3 | 12200121212212020121 |
4 | 2003120330232121 |
5 | 14003303333411 |
6 | 1002422553241 |
7 | 105424466236 |
oct | 20330745631 |
9 | 5617785217 |
10 | 2204355481 |
11 | a31334999 |
12 | 516298821 |
13 | 2918c7c73 |
14 | 16ca9278d |
15 | cd7cc571 |
hex | 8363cb99 |
2204355481 has 2 divisors, whose sum is σ = 2204355482. Its totient is φ = 2204355480.
The previous prime is 2204355479. The next prime is 2204355539. The reversal of 2204355481 is 1845534022.
2204355481 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., 2173051456 + 31304025 = 46616^2 + 5595^2 .
It is a cyclic number.
It is not a de Polignac number, because 2204355481 - 21 = 2204355479 is a prime.
It is a super-2 number, since 2×22043554812 = 9718366173229482722, which contains 22 as substring.
Together with 2204355479, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2204355451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102177740 + 1102177741.
It is an arithmetic number, because the mean of its divisors is an integer number (1102177741).
Almost surely, 22204355481 is an apocalyptic number.
It is an amenable number.
2204355481 is a deficient number, since it is larger than the sum of its proper divisors (1).
2204355481 is an equidigital number, since it uses as much as digits as its factorization.
2204355481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 38400, while the sum is 34.
The square root of 2204355481 is about 46950.5642245117. The cubic root of 2204355481 is about 1301.4491691520.
The spelling of 2204355481 in words is "two billion, two hundred four million, three hundred fifty-five thousand, four hundred eighty-one".
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