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8517214219 is a prime number
BaseRepresentation
bin1111110111010101…
…00110000000001011
3210222120122022102111
413323222212000023
5114420401323334
63525053243151
7421031061223
oct77352460013
923876568374
108517214219
113680822118
1217984934b7
13a59744637
145ab261083
1534cb14064
hex1fbaa600b

8517214219 has 2 divisors, whose sum is σ = 8517214220. Its totient is φ = 8517214218.

The previous prime is 8517214163. The next prime is 8517214241. The reversal of 8517214219 is 9124127158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8517214219 - 27 = 8517214091 is a prime.

It is a super-2 number, since 2×85172142192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8517214619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4258607109 + 4258607110.

It is an arithmetic number, because the mean of its divisors is an integer number (4258607110).

Almost surely, 28517214219 is an apocalyptic number.

8517214219 is a deficient number, since it is larger than the sum of its proper divisors (1).

8517214219 is an equidigital number, since it uses as much as digits as its factorization.

8517214219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 40.

The square root of 8517214219 is about 92288.7545641396. The cubic root of 8517214219 is about 2042.2043181386.

The spelling of 8517214219 in words is "eight billion, five hundred seventeen million, two hundred fourteen thousand, two hundred nineteen".