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230230231221 = 3141067544021
BaseRepresentation
bin1101011001101011001…
…0101000100010110101
3211000021010210112201210
43112122302220202311
512233002414344341
6253433304512033
722430214450624
oct3263262504265
9730233715653
10230230231221
1189704a66371
123875377b619
13189312c4863
14b200d3b6bb
155ec73c9c16
hex359aca88b5

230230231221 has 8 divisors (see below), whose sum is σ = 306976381984. Its totient is φ = 153485450640.

The previous prime is 230230231201. The next prime is 230230231237. The reversal of 230230231221 is 122132032032.

It is a happy number.

230230231221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-230230231221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230230231201) 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 in 7 ways as a sum of consecutive naturals, for example, 151191 + ... + 695211.

It is an arithmetic number, because the mean of its divisors is an integer number (38372047748).

Almost surely, 2230230231221 is an apocalyptic number.

It is an amenable number.

230230231221 is a deficient number, since it is larger than the sum of its proper divisors (76746150763).

230230231221 is a wasteful number, since it uses less digits than its factorization.

230230231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685091.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 230230231221 its reverse (122132032032), we get a palindrome (352362263253).

The spelling of 230230231221 in words is "two hundred thirty billion, two hundred thirty million, two hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 3 141067 423201 544021 1632063 76743410407 230230231221