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230212121233 = 4721011031837
BaseRepresentation
bin1101011001100110110…
…1100011001010010001
3211000012212201110111111
43112121231203022101
512232433300334413
6253431420413321
722426604513053
oct3263155431221
9730185643444
10230212121233
11896a5817036
12387496a7241
131892a6237a3
14b1dc7858d3
155ec59edd3d
hex3599b63291

230212121233 has 12 divisors (see below), whose sum is σ = 237543553332. Its totient is φ = 223082943200.

The previous prime is 230212121231. The next prime is 230212121263. The reversal of 230212121233 is 332121212032.

230212121233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 147231829264 + 82980291969 = 383708^2 + 288063^2 .

It is not a de Polignac number, because 230212121233 - 21 = 230212121231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230212121231) 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 11 ways as a sum of consecutive naturals, for example, 292810 + ... + 739027.

It is an arithmetic number, because the mean of its divisors is an integer number (19795296111).

Almost surely, 2230212121233 is an apocalyptic number.

It is an amenable number.

230212121233 is a deficient number, since it is larger than the sum of its proper divisors (7331432099).

230212121233 is a wasteful number, since it uses less digits than its factorization.

230212121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032032 (or 1031985 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 230212121233 its reverse (332121212032), we get a palindrome (562333333265).

The spelling of 230212121233 in words is "two hundred thirty billion, two hundred twelve million, one hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 47 101 2209 4747 223109 1031837 48496339 104215537 2279327933 4898130239 230212121233