Search a number
-
+
230221002321 = 32196720094353
BaseRepresentation
bin1101011001101000111…
…1011011011001010001
3211000020111102200001200
43112122033123121101
512232443034033241
6253432335021413
722430043142332
oct3263217333121
9730214380050
10230221002321
11896aa832582
123875066a869
131892c412c7b
14b1dda18289
155ec66a54b6
hex359a3db651

230221002321 has 24 divisors (see below), whose sum is σ = 355268178720. Its totient is φ = 143232541056.

The previous prime is 230221002301. The next prime is 230221002383. The reversal of 230221002321 is 123200122032.

It is not a de Polignac number, because 230221002321 - 25 = 230221002289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230221002294 and 230221002303.

It is not an unprimeable number, because it can be changed into a prime (230221002301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10035720 + ... + 10058633.

It is an arithmetic number, because the mean of its divisors is an integer number (14802840780).

Almost surely, 2230221002321 is an apocalyptic number.

It is an amenable number.

230221002321 is a deficient number, since it is larger than the sum of its proper divisors (125047176399).

230221002321 is a wasteful number, since it uses less digits than its factorization.

230221002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20094445 (or 20094442 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 230221002321 its reverse (123200122032), we get a palindrome (353421124353).

The spelling of 230221002321 in words is "two hundred thirty billion, two hundred twenty-one million, two thousand, three hundred twenty-one".

Divisors: 1 3 9 19 57 67 171 201 603 1273 3819 11457 20094353 60283059 180849177 381792707 1145378121 1346321651 3436134363 4038964953 12116894859 25580111369 76740334107 230221002321