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102084211 is a prime number
BaseRepresentation
bin1100001010110…
…10111001110011
321010002102012201
412011122321303
5202113143321
614044004031
72346462415
oct605327163
9233072181
10102084211
1152695419
122a230617
13181c3378
14d7b49b5
158e67291
hex615ae73

102084211 has 2 divisors, whose sum is σ = 102084212. Its totient is φ = 102084210.

The previous prime is 102084197. The next prime is 102084217. The reversal of 102084211 is 112480201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (112480201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102084211 - 27 = 102084083 is a prime.

It is a super-2 number, since 2×1020842112 = 20842372270985042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102084217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51042105 + 51042106.

It is an arithmetic number, because the mean of its divisors is an integer number (51042106).

Almost surely, 2102084211 is an apocalyptic number.

102084211 is the 4519-th centered decagonal number.

102084211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102084211 is an equidigital number, since it uses as much as digits as its factorization.

102084211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 102084211 is about 10103.6731439611. The cubic root of 102084211 is about 467.3614196472.

The spelling of 102084211 in words is "one hundred two million, eighty-four thousand, two hundred eleven".