Base | Representation |
---|---|
bin | 100000001100010010101… |
… | …110000001000001010001 |
3 | 21211111010120101010210201 |
4 | 200030102232001001101 |
5 | 242221112341211004 |
6 | 4412140355255201 |
7 | 315553633345531 |
oct | 40142256010121 |
9 | 7744116333721 |
10 | 2212222210129 |
11 | 78321a846398 |
12 | 2b88b08aa501 |
13 | 1307c4a7a739 |
14 | 79101cb34c1 |
15 | 3c8294676a4 |
hex | 20312b81051 |
2212222210129 has 2 divisors, whose sum is σ = 2212222210130. Its totient is φ = 2212222210128.
The previous prime is 2212222210091. The next prime is 2212222210139. The reversal of 2212222210129 is 9210122222122.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1328578969600 + 883643240529 = 1152640^2 + 940023^2 .
It is a cyclic number.
It is not a de Polignac number, because 2212222210129 - 27 = 2212222210001 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2212222210097 and 2212222210106.
It is not a weakly prime, because it can be changed into another prime (2212222210139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106111105064 + 1106111105065.
It is an arithmetic number, because the mean of its divisors is an integer number (1106111105065).
Almost surely, 22212222210129 is an apocalyptic number.
It is an amenable number.
2212222210129 is a deficient number, since it is larger than the sum of its proper divisors (1).
2212222210129 is an equidigital number, since it uses as much as digits as its factorization.
2212222210129 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2304, while the sum is 28.
The spelling of 2212222210129 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred ten thousand, one hundred twenty-nine".
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