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230203103002103 = 72111663256820779
BaseRepresentation
bin110100010101111001010110…
…001011100011110111110111
31010012002012110001110100012202
4310111321112023203313313
5220133121423332031403
62133333502350535115
766326424331031300
oct6425712613436767
91105065401410182
10230203103002103
1167393651297a50
122199aaa150749b
139b5b0a08568ca
1440bbc6522b7a7
151b9319e92a688
hexd15e562e3df7

230203103002103 has 24 divisors (see below), whose sum is σ = 292307248097280. Its totient is φ = 179271175875120.

The previous prime is 230203103001983. The next prime is 230203103002123. The reversal of 230203103002103 is 301200301302032.

It is not a de Polignac number, because 230203103002103 - 226 = 230203035893239 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 (230203103002123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127514033 + ... + 129306746.

It is an arithmetic number, because the mean of its divisors is an integer number (12179468670720).

Almost surely, 2230203103002103 is an apocalyptic number.

230203103002103 is a deficient number, since it is larger than the sum of its proper divisors (62104145095177).

230203103002103 is a wasteful number, since it uses less digits than its factorization.

230203103002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256822467 (or 256822460 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 230203103002103 its reverse (301200301302032), we get a palindrome (531403404304135).

The spelling of 230203103002103 in words is "two hundred thirty trillion, two hundred three billion, one hundred three million, two thousand, one hundred three".

Divisors: 1 7 11 49 77 539 1663 11641 18293 81487 128051 896357 256820779 1797745453 2825028569 12584218171 19775199983 138426399881 427092955477 2989650688339 4698022510247 20927554818373 32886157571729 230203103002103