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2020213849 is a prime number
BaseRepresentation
bin111100001101010…
…0000010001011001
312012210101111102011
41320122200101121
513114133320344
6532244105521
7101030351203
oct17032402131
95183344364
102020213849
119473a3625
124846952a1
13262703c14
1415243b773
15bc556d34
hex786a0459

2020213849 has 2 divisors, whose sum is σ = 2020213850. Its totient is φ = 2020213848.

The previous prime is 2020213841. The next prime is 2020213873. The reversal of 2020213849 is 9483120202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2004173824 + 16040025 = 44768^2 + 4005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020213849 - 23 = 2020213841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020213849.

It is not a weakly prime, because it can be changed into another prime (2020213841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010106924 + 1010106925.

It is an arithmetic number, because the mean of its divisors is an integer number (1010106925).

Almost surely, 22020213849 is an apocalyptic number.

It is an amenable number.

2020213849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020213849 is an equidigital number, since it uses as much as digits as its factorization.

2020213849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2020213849 is about 44946.7890844274. The cubic root of 2020213849 is about 1264.1514718682.

The spelling of 2020213849 in words is "two billion, twenty million, two hundred thirteen thousand, eight hundred forty-nine".