Base | Representation |
---|---|
bin | 1000010100101111… |
… | …0111000100101001 |
3 | 12202201120021210101 |
4 | 2011023313010221 |
5 | 14034011311024 |
6 | 1005420345401 |
7 | 106241520466 |
oct | 20513670451 |
9 | 5681507711 |
10 | 2234478889 |
11 | a4733a075 |
12 | 5243a5261 |
13 | 297c14176 |
14 | 172a9466d |
15 | d127cc44 |
hex | 852f7129 |
2234478889 has 2 divisors, whose sum is σ = 2234478890. Its totient is φ = 2234478888.
The previous prime is 2234478809. The next prime is 2234478919. The reversal of 2234478889 is 9888744322.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2172305664 + 62173225 = 46608^2 + 7885^2 .
It is a cyclic number.
It is not a de Polignac number, because 2234478889 - 213 = 2234470697 is a prime.
It is a plaindrome in base 10.
It is not a weakly prime, because it can be changed into another prime (2234478809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117239444 + 1117239445.
It is an arithmetic number, because the mean of its divisors is an integer number (1117239445).
Almost surely, 22234478889 is an apocalyptic number.
It is an amenable number.
2234478889 is a deficient number, since it is larger than the sum of its proper divisors (1).
2234478889 is an equidigital number, since it uses as much as digits as its factorization.
2234478889 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6193152, while the sum is 55.
The square root of 2234478889 is about 47270.2748987141. The cubic root of 2234478889 is about 1307.3506444053.
The spelling of 2234478889 in words is "two billion, two hundred thirty-four million, four hundred seventy-eight thousand, eight hundred eighty-nine".
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