Base | Representation |
---|---|
bin | 111111011101101… |
… | …0011001010011001 |
3 | 12111101222111102212 |
4 | 1332323103022121 |
5 | 13330121133301 |
6 | 551150004505 |
7 | 103525142411 |
oct | 17673231231 |
9 | 5441874385 |
10 | 2129474201 |
11 | 9a303a538 |
12 | 4b51a6735 |
13 | 27c23a70a |
14 | 162b5d641 |
15 | c6e3a4bb |
hex | 7eed3299 |
2129474201 has 2 divisors, whose sum is σ = 2129474202. Its totient is φ = 2129474200.
The previous prime is 2129474183. The next prime is 2129474233. The reversal of 2129474201 is 1024749212.
It is a happy number.
It is an a-pointer prime, because the next prime (2129474233) can be obtained adding 2129474201 to its sum of digits (32).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1811779225 + 317694976 = 42565^2 + 17824^2 .
It is a cyclic number.
It is not a de Polignac number, because 2129474201 - 214 = 2129457817 is a prime.
It is not a weakly prime, because it can be changed into another prime (2129474101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064737100 + 1064737101.
It is an arithmetic number, because the mean of its divisors is an integer number (1064737101).
Almost surely, 22129474201 is an apocalyptic number.
It is an amenable number.
2129474201 is a deficient number, since it is larger than the sum of its proper divisors (1).
2129474201 is an equidigital number, since it uses as much as digits as its factorization.
2129474201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 2129474201 is about 46146.2262920816. The cubic root of 2129474201 is about 1286.5424710843.
The spelling of 2129474201 in words is "two billion, one hundred twenty-nine million, four hundred seventy-four thousand, two hundred one".
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