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2104213019 is a prime number
BaseRepresentation
bin111110101101011…
…1011111000011011
312102122110002121112
41331122323320123
513302134304034
6544444330535
7103100341556
oct17532737033
95378402545
102104213019
1198a856427
124a8843a4b
13276c3467c
1415d66569d
15c4aea7ce
hex7d6bbe1b

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".