Base | Representation |
---|---|
bin | 111111110100000… |
… | …0100101101001101 |
3 | 12112020001210221111 |
4 | 1333220010231031 |
5 | 13341122231334 |
6 | 552245332021 |
7 | 104026666015 |
oct | 17750045515 |
9 | 5466053844 |
10 | 2141211469 |
11 | 9a9726961 |
12 | 4b9107011 |
13 | 2817b9c47 |
14 | 164536c45 |
15 | c7ea8064 |
hex | 7fa04b4d |
2141211469 has 2 divisors, whose sum is σ = 2141211470. Its totient is φ = 2141211468.
The previous prime is 2141211467. The next prime is 2141211481. The reversal of 2141211469 is 9641121412.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1883994025 + 257217444 = 43405^2 + 16038^2 .
It is a cyclic number.
It is not a de Polignac number, because 2141211469 - 21 = 2141211467 is a prime.
It is a super-2 number, since 2×21412114692 = 9169573109954275922, which contains 22 as substring.
Together with 2141211467, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 2141211469.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2141211463) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070605734 + 1070605735.
It is an arithmetic number, because the mean of its divisors is an integer number (1070605735).
Almost surely, 22141211469 is an apocalyptic number.
It is an amenable number.
2141211469 is a deficient number, since it is larger than the sum of its proper divisors (1).
2141211469 is an equidigital number, since it uses as much as digits as its factorization.
2141211469 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3456, while the sum is 31.
The square root of 2141211469 is about 46273.2262653038. The cubic root of 2141211469 is about 1288.9018695848.
The spelling of 2141211469 in words is "two billion, one hundred forty-one million, two hundred eleven thousand, four hundred sixty-nine".
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