Base | Representation |
---|---|
bin | 111101001110010… |
… | …0101000100010101 |
3 | 12022011112212120112 |
4 | 1322130211010111 |
5 | 13201400442323 |
6 | 535503012405 |
7 | 101623236302 |
oct | 17234450425 |
9 | 5264485515 |
10 | 2054312213 |
11 | 964673198 |
12 | 493b9a105 |
13 | 2697b2475 |
14 | 156b960a9 |
15 | c0540178 |
hex | 7a725115 |
2054312213 has 2 divisors, whose sum is σ = 2054312214. Its totient is φ = 2054312212.
The previous prime is 2054312191. The next prime is 2054312291. The reversal of 2054312213 is 3122134502.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1795810129 + 258502084 = 42377^2 + 16078^2 .
It is a cyclic number.
It is not a de Polignac number, because 2054312213 - 26 = 2054312149 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2054312713) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027156106 + 1027156107.
It is an arithmetic number, because the mean of its divisors is an integer number (1027156107).
Almost surely, 22054312213 is an apocalyptic number.
It is an amenable number.
2054312213 is a deficient number, since it is larger than the sum of its proper divisors (1).
2054312213 is an equidigital number, since it uses as much as digits as its factorization.
2054312213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 2054312213 is about 45324.5211006140. The cubic root of 2054312213 is about 1271.2241927206.
Adding to 2054312213 its reverse (3122134502), we get a palindrome (5176446715).
The spelling of 2054312213 in words is "two billion, fifty-four million, three hundred twelve thousand, two hundred thirteen".
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