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212000101189 is a prime number
BaseRepresentation
bin1100010101110000110…
…0001101001101000101
3202021012122120222122121
43011130030031031011
511433134011214224
6241220321525541
721213363061522
oct3053414151505
9667178528577
10212000101189
11819aa5918a8
12351064a38b1
1316cb74baa76
14a391b28149
1557abc14be4
hex315c30d345

212000101189 has 2 divisors, whose sum is σ = 212000101190. Its totient is φ = 212000101188.

The previous prime is 212000101139. The next prime is 212000101237. The reversal of 212000101189 is 981101000212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155439370564 + 56560730625 = 394258^2 + 237825^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000101189 - 29 = 212000100677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212000101129) 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, 106000050594 + 106000050595.

It is an arithmetic number, because the mean of its divisors is an integer number (106000050595).

Almost surely, 2212000101189 is an apocalyptic number.

It is an amenable number.

212000101189 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000101189 is an equidigital number, since it uses as much as digits as its factorization.

212000101189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 212000101189 in words is "two hundred twelve billion, one hundred one thousand, one hundred eighty-nine".