Base | Representation |
---|---|
bin | 111110100111110… |
… | …0110000111111111 |
3 | 12102102212001211112 |
4 | 1331033212013333 |
5 | 13300404142234 |
6 | 544300512235 |
7 | 103033151033 |
oct | 17517460777 |
9 | 5372761745 |
10 | 2101240319 |
11 | 989105a52 |
12 | 4a784b67b |
13 | 276433589 |
14 | 15d0d01c3 |
15 | c470eace |
hex | 7d3e61ff |
2101240319 has 2 divisors, whose sum is σ = 2101240320. Its totient is φ = 2101240318.
The previous prime is 2101240313. The next prime is 2101240321. The reversal of 2101240319 is 9130421012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2101240319 - 212 = 2101236223 is a prime.
It is a super-2 number, since 2×21012403192 = 8830421756382443522, which contains 22 as substring.
Together with 2101240321, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 2101240294 and 2101240303.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2101240313) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050620159 + 1050620160.
It is an arithmetic number, because the mean of its divisors is an integer number (1050620160).
Almost surely, 22101240319 is an apocalyptic number.
2101240319 is a deficient number, since it is larger than the sum of its proper divisors (1).
2101240319 is an equidigital number, since it uses as much as digits as its factorization.
2101240319 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 2101240319 is about 45839.2879416773. The cubic root of 2101240319 is about 1280.8312307126.
The spelling of 2101240319 in words is "two billion, one hundred one million, two hundred forty thousand, three hundred nineteen".
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