Search a number
-
+
212330010187 is a prime number
BaseRepresentation
bin1100010110111111011…
…0101101011001001011
3202022001122101002201101
43011233312231121023
511434322440311222
6241313145002231
721224510210401
oct3055766553113
9668048332641
10212330010187
1182059834369
1235198a83377
131703a95b2a9
14a3c3885471
1557cab80927
hex316fdad64b

212330010187 has 2 divisors, whose sum is σ = 212330010188. Its totient is φ = 212330010186.

The previous prime is 212330010131. The next prime is 212330010197. The reversal of 212330010187 is 781010033212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212330010187 - 27 = 212330010059 is a prime.

It is not a weakly prime, because it can be changed into another prime (212330010197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106165005093 + 106165005094.

It is an arithmetic number, because the mean of its divisors is an integer number (106165005094).

Almost surely, 2212330010187 is an apocalyptic number.

212330010187 is a deficient number, since it is larger than the sum of its proper divisors (1).

212330010187 is an equidigital number, since it uses as much as digits as its factorization.

212330010187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 212330010187 its reverse (781010033212), we get a palindrome (993340043399).

The spelling of 212330010187 in words is "two hundred twelve billion, three hundred thirty million, ten thousand, one hundred eighty-seven".