Base | Representation |
---|---|
bin | 111110101101011… |
… | …1011111000011011 |
3 | 12102122110002121112 |
4 | 1331122323320123 |
5 | 13302134304034 |
6 | 544444330535 |
7 | 103100341556 |
oct | 17532737033 |
9 | 5378402545 |
10 | 2104213019 |
11 | 98a856427 |
12 | 4a8843a4b |
13 | 276c3467c |
14 | 15d66569d |
15 | c4aea7ce |
hex | 7d6bbe1b |
2104213019 has 2 divisors, whose sum is σ = 2104213020. Its totient is φ = 2104213018.
The previous prime is 2104212989. The next prime is 2104213031. The reversal of 2104213019 is 9103124012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2104213019 - 212 = 2104208923 is a prime.
It is a super-2 number, since 2×21042130192 = 8855424858658188722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2104212985 and 2104213003.
It is not a weakly prime, because it can be changed into another prime (2104213079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052106509 + 1052106510.
It is an arithmetic number, because the mean of its divisors is an integer number (1052106510).
Almost surely, 22104213019 is an apocalyptic number.
2104213019 is a deficient number, since it is larger than the sum of its proper divisors (1).
2104213019 is an equidigital number, since it uses as much as digits as its factorization.
2104213019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 2104213019 is about 45871.7017233937. The cubic root of 2104213019 is about 1281.4349587151.
The spelling of 2104213019 in words is "two billion, one hundred four million, two hundred thirteen thousand, nineteen".
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