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212430230377 is a prime number
BaseRepresentation
bin1100010111010111010…
…1000001001101101001
3202022022121221210222021
43011311311001031221
511440024114333002
6241331125024441
721230135110501
oct3056565011551
9668277853867
10212430230377
1182100366272
1235206555121
131705564b091
14a3d2cd2a01
1557d487a737
hex3175d41369

212430230377 has 2 divisors, whose sum is σ = 212430230378. Its totient is φ = 212430230376.

The previous prime is 212430230281. The next prime is 212430230393. The reversal of 212430230377 is 773032034212.

212430230377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186862540176 + 25567690201 = 432276^2 + 159899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212430230377 is a prime.

It is not a weakly prime, because it can be changed into another prime (212430234377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106215115188 + 106215115189.

It is an arithmetic number, because the mean of its divisors is an integer number (106215115189).

Almost surely, 2212430230377 is an apocalyptic number.

It is an amenable number.

212430230377 is a deficient number, since it is larger than the sum of its proper divisors (1).

212430230377 is an equidigital number, since it uses as much as digits as its factorization.

212430230377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 34.

Adding to 212430230377 its reverse (773032034212), we get a palindrome (985462264589).

The spelling of 212430230377 in words is "two hundred twelve billion, four hundred thirty million, two hundred thirty thousand, three hundred seventy-seven".