Base | Representation |
---|---|
bin | 100100000100000… |
… | …1111111100101101 |
3 | 10010100001120100102 |
4 | 1020020033330231 |
5 | 4434242401104 |
6 | 320025040445 |
7 | 41662603364 |
oct | 11010177455 |
9 | 3110046312 |
10 | 1210122029 |
11 | 57109a656 |
12 | 299326125 |
13 | 16392974c |
14 | b6a067db |
15 | 71389a1e |
hex | 4820ff2d |
1210122029 has 2 divisors, whose sum is σ = 1210122030. Its totient is φ = 1210122028.
The previous prime is 1210122007. The next prime is 1210122031. The reversal of 1210122029 is 9202210121.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 931165225 + 278956804 = 30515^2 + 16702^2 .
It is a cyclic number.
It is not a de Polignac number, because 1210122029 - 212 = 1210117933 is a prime.
Together with 1210122031, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1210122029.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1210122059) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605061014 + 605061015.
It is an arithmetic number, because the mean of its divisors is an integer number (605061015).
Almost surely, 21210122029 is an apocalyptic number.
It is an amenable number.
1210122029 is a deficient number, since it is larger than the sum of its proper divisors (1).
1210122029 is an equidigital number, since it uses as much as digits as its factorization.
1210122029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 1210122029 is about 34786.8082611785. The cubic root of 1210122029 is about 1065.6380577044.
The spelling of 1210122029 in words is "one billion, two hundred ten million, one hundred twenty-two thousand, twenty-nine".
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