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199880183 is a prime number
BaseRepresentation
bin10111110100111…
…10110111110111
3111221002222001202
423322132313313
5402132131213
631500043115
74644645026
oct1372366767
9457088052
10199880183
11a2910a38
1256b3349b
13325448c9
141c7908bd
1512833b58
hexbe9edf7

199880183 has 2 divisors, whose sum is σ = 199880184. Its totient is φ = 199880182.

The previous prime is 199880159. The next prime is 199880251. The reversal of 199880183 is 381088991.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (381088991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199880183 - 216 = 199814647 is a prime.

It is a super-2 number, since 2×1998801832 = 79904175112226978, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199880113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99940091 + 99940092.

It is an arithmetic number, because the mean of its divisors is an integer number (99940092).

Almost surely, 2199880183 is an apocalyptic number.

199880183 is a deficient number, since it is larger than the sum of its proper divisors (1).

199880183 is an equidigital number, since it uses as much as digits as its factorization.

199880183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 47.

The square root of 199880183 is about 14137.8988184242. The cubic root of 199880183 is about 584.6867419695.

The spelling of 199880183 in words is "one hundred ninety-nine million, eight hundred eighty thousand, one hundred eighty-three".