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2098171069 is a prime number
BaseRepresentation
bin111110100001111…
…1000110010111101
312102020002010121121
41331003320302331
513244112433234
6544111030541
7102665105551
oct17503706275
95366063547
102098171069
119873a9a85
124a680b451
132758ca557
1415c931861
15c43054b4
hex7d0f8cbd

2098171069 has 2 divisors, whose sum is σ = 2098171070. Its totient is φ = 2098171068.

The previous prime is 2098170917. The next prime is 2098171073. The reversal of 2098171069 is 9601718902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2075986969 + 22184100 = 45563^2 + 4710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2098171069 - 219 = 2097646781 is a prime.

It is a super-2 number, since 2×20981710692 = 8804643669577205522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2098171769) 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, 1049085534 + 1049085535.

It is an arithmetic number, because the mean of its divisors is an integer number (1049085535).

Almost surely, 22098171069 is an apocalyptic number.

It is an amenable number.

2098171069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098171069 is an equidigital number, since it uses as much as digits as its factorization.

2098171069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 2098171069 is about 45805.7973295957. The cubic root of 2098171069 is about 1280.2072965452.

The spelling of 2098171069 in words is "two billion, ninety-eight million, one hundred seventy-one thousand, sixty-nine".