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210000199 is a prime number
BaseRepresentation
bin11001000010001…
…01100101000111
3112122011010010011
430201011211013
5412230001244
632501011051
75126654323
oct1441054507
9478133104
10210000199
11a85a3292
125a3b3a87
1334678c96
141dc66983
1513682434
hexc845947

210000199 has 2 divisors, whose sum is σ = 210000200. Its totient is φ = 210000198.

The previous prime is 210000187. The next prime is 210000239. The reversal of 210000199 is 991000012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210000199 - 29 = 209999687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210000139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000099 + 105000100.

It is an arithmetic number, because the mean of its divisors is an integer number (105000100).

Almost surely, 2210000199 is an apocalyptic number.

210000199 is a deficient number, since it is larger than the sum of its proper divisors (1).

210000199 is an equidigital number, since it uses as much as digits as its factorization.

210000199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 210000199 is about 14491.3836123401. The cubic root of 210000199 is about 594.3923830287.

The spelling of 210000199 in words is "two hundred ten million, one hundred ninety-nine", and thus it is an aban number.