Base | Representation |
---|---|
bin | 111111111011010… |
… | …1000010100101011 |
3 | 12112111020200101012 |
4 | 1333312220110223 |
5 | 13343111333441 |
6 | 552503214135 |
7 | 104104301054 |
oct | 17766502453 |
9 | 5474220335 |
10 | 2145027371 |
11 | a008a28a3 |
12 | 4ba44734b |
13 | 282524a86 |
14 | 164c4b72b |
15 | c84ad9eb |
hex | 7fda852b |
2145027371 has 2 divisors, whose sum is σ = 2145027372. Its totient is φ = 2145027370.
The previous prime is 2145027323. The next prime is 2145027373. The reversal of 2145027371 is 1737205412.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2145027371 - 210 = 2145026347 is a prime.
It is a super-2 number, since 2×21450273712 = 9202284844678343282, which contains 22 as substring.
Together with 2145027373, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (2145027373) 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, 1072513685 + 1072513686.
It is an arithmetic number, because the mean of its divisors is an integer number (1072513686).
Almost surely, 22145027371 is an apocalyptic number.
2145027371 is a deficient number, since it is larger than the sum of its proper divisors (1).
2145027371 is an equidigital number, since it uses as much as digits as its factorization.
2145027371 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 2145027371 is about 46314.4401995749. The cubic root of 2145027371 is about 1289.6670757149.
The spelling of 2145027371 in words is "two billion, one hundred forty-five million, twenty-seven thousand, three hundred seventy-one".
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