Base | Representation |
---|---|
bin | 1000001111011111… |
… | …1100000101110101 |
3 | 12201012011121002121 |
4 | 2003313330011311 |
5 | 14012343314344 |
6 | 1003313035541 |
7 | 105553523053 |
oct | 20367740565 |
9 | 5635147077 |
10 | 2212479349 |
11 | a35983533 |
12 | 518b55bb1 |
13 | 2934b08a2 |
14 | 16dba91d3 |
15 | ce384684 |
hex | 83dfc175 |
2212479349 has 2 divisors, whose sum is σ = 2212479350. Its totient is φ = 2212479348.
The previous prime is 2212479341. The next prime is 2212479361. The reversal of 2212479349 is 9439742122.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1759215249 + 453264100 = 41943^2 + 21290^2 .
It is a cyclic number.
It is not a de Polignac number, because 2212479349 - 23 = 2212479341 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2212479341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106239674 + 1106239675.
It is an arithmetic number, because the mean of its divisors is an integer number (1106239675).
Almost surely, 22212479349 is an apocalyptic number.
It is an amenable number.
2212479349 is a deficient number, since it is larger than the sum of its proper divisors (1).
2212479349 is an equidigital number, since it uses as much as digits as its factorization.
2212479349 is an evil number, because the sum of its binary digits is even.
The product of its digits is 217728, while the sum is 43.
The square root of 2212479349 is about 47036.9997874014. Note that the first 3 decimals coincide. The cubic root of 2212479349 is about 1303.0459835263.
The spelling of 2212479349 in words is "two billion, two hundred twelve million, four hundred seventy-nine thousand, three hundred forty-nine".
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