Base | Representation |
---|---|
bin | 1000001111011000… |
… | …1110110100000101 |
3 | 12201011022212002211 |
4 | 2003312032310011 |
5 | 14012240003444 |
6 | 1003255303421 |
7 | 105546650104 |
oct | 20366166405 |
9 | 5634285084 |
10 | 2212031749 |
11 | a356a8214 |
12 | 51897ab71 |
13 | 293384c35 |
14 | 16dad003b |
15 | ce2e6c34 |
hex | 83d8ed05 |
2212031749 has 2 divisors, whose sum is σ = 2212031750. Its totient is φ = 2212031748.
The previous prime is 2212031741. The next prime is 2212031777. The reversal of 2212031749 is 9471302122.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1645924900 + 566106849 = 40570^2 + 23793^2 .
It is a cyclic number.
It is not a de Polignac number, because 2212031749 - 23 = 2212031741 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2212031749.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2212031741) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106015874 + 1106015875.
It is an arithmetic number, because the mean of its divisors is an integer number (1106015875).
Almost surely, 22212031749 is an apocalyptic number.
It is an amenable number.
2212031749 is a deficient number, since it is larger than the sum of its proper divisors (1).
2212031749 is an equidigital number, since it uses as much as digits as its factorization.
2212031749 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 2212031749 is about 47032.2415902113. The cubic root of 2212031749 is about 1302.9581058371.
The spelling of 2212031749 in words is "two billion, two hundred twelve million, thirty-one thousand, seven hundred forty-nine".
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