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230212013 is a prime number
BaseRepresentation
bin11011011100011…
…00000110101101
3121001011222111212
431232030012231
5432413241023
634502124205
75463525023
oct1556140655
9531158455
10230212013
11108a48769
1265120665
1338904935
1422808713
1515325e78
hexdb8c1ad

230212013 has 2 divisors, whose sum is σ = 230212014. Its totient is φ = 230212012.

The previous prime is 230212009. The next prime is 230212049. The reversal of 230212013 is 310212032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169963369 + 60248644 = 13037^2 + 7762^2 .

It is a cyclic number.

It is not a de Polignac number, because 230212013 - 22 = 230212009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230212093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115106006 + 115106007.

It is an arithmetic number, because the mean of its divisors is an integer number (115106007).

Almost surely, 2230212013 is an apocalyptic number.

It is an amenable number.

230212013 is a deficient number, since it is larger than the sum of its proper divisors (1).

230212013 is an equidigital number, since it uses as much as digits as its factorization.

230212013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 230212013 is about 15172.7391396544. The cubic root of 230212013 is about 612.8807688219.

Adding to 230212013 its reverse (310212032), we get a palindrome (540424045).

The spelling of 230212013 in words is "two hundred thirty million, two hundred twelve thousand, thirteen".