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213141889 is a prime number
BaseRepresentation
bin11001011010001…
…00100110000001
3112212001201201001
430231010212001
5414031020024
633052212001
75165450632
oct1455044601
9485051631
10213141889
11aa349724
125b46a001
1335208c7c
1420443889
1513aa3244
hexcb44981

213141889 has 2 divisors, whose sum is σ = 213141890. Its totient is φ = 213141888.

The previous prime is 213141871. The next prime is 213141893. The reversal of 213141889 is 988141312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161417025 + 51724864 = 12705^2 + 7192^2 .

It is a cyclic number.

It is not a de Polignac number, because 213141889 - 211 = 213139841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213141809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106570944 + 106570945.

It is an arithmetic number, because the mean of its divisors is an integer number (106570945).

Almost surely, 2213141889 is an apocalyptic number.

It is an amenable number.

213141889 is a deficient number, since it is larger than the sum of its proper divisors (1).

213141889 is an equidigital number, since it uses as much as digits as its factorization.

213141889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 37.

The square root of 213141889 is about 14599.3797470988. The cubic root of 213141889 is about 597.3418419766.

The spelling of 213141889 in words is "two hundred thirteen million, one hundred forty-one thousand, eight hundred eighty-nine".