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221003241223 = 4328318161167
BaseRepresentation
bin1100110111010011010…
…0011101011100000111
3210010110002120212222111
43031310310131130013
512110103312204343
6245305534241451
721652444361302
oct3156464353407
9703402525874
10221003241223
11857aa6281a6
12369b9656287
1317ac07ca36b
14a9a7719b39
155b37311c9d
hex3374d1d707

221003241223 has 8 divisors (see below), whose sum is σ = 226941955328. Its totient is φ = 215100850104.

The previous prime is 221003241181. The next prime is 221003241229. The reversal of 221003241223 is 322142300122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-221003241223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221003241194 and 221003241203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221003241229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9068415 + ... + 9092752.

It is an arithmetic number, because the mean of its divisors is an integer number (28367744416).

Almost surely, 2221003241223 is an apocalyptic number.

221003241223 is a deficient number, since it is larger than the sum of its proper divisors (5938714105).

221003241223 is a wasteful number, since it uses less digits than its factorization.

221003241223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18161493.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 221003241223 its reverse (322142300122), we get a palindrome (543145541345).

The spelling of 221003241223 in words is "two hundred twenty-one billion, three million, two hundred forty-one thousand, two hundred twenty-three".

Divisors: 1 43 283 12169 18161167 780930181 5139610261 221003241223