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203243002325 = 521117231890193
BaseRepresentation
bin1011110101001000111…
…0100001100111010101
3201102121100120021100122
42331102032201213111
511312220202033300
6233211334521325
720453360005166
oct2752216414725
9642540507318
10203243002325
1179216415910
1233481806245
1316220165c6c
149ba0aa176d
155448018c85
hex2f523a19d5

203243002325 has 48 divisors (see below), whose sum is σ = 303761736576. Its totient is φ = 133069516800.

The previous prime is 203243002297. The next prime is 203243002331. The reversal of 203243002325 is 523200342302.

It is not a de Polignac number, because 203243002325 - 214 = 203242985941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203243002294 and 203243002303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 837572 + ... + 1052621.

It is an arithmetic number, because the mean of its divisors is an integer number (6328369512).

Almost surely, 2203243002325 is an apocalyptic number.

203243002325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203243002325 is a deficient number, since it is larger than the sum of its proper divisors (100518734251).

203243002325 is a wasteful number, since it uses less digits than its factorization.

203243002325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890254 (or 1890249 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 203243002325 its reverse (523200342302), we get a palindrome (726443344627).

The spelling of 203243002325 in words is "two hundred three billion, two hundred forty-three million, two thousand, three hundred twenty-five".

Divisors: 1 5 11 17 23 25 55 85 115 187 253 275 391 425 575 935 1265 1955 4301 4675 6325 9775 21505 107525 1890193 9450965 20792123 32133281 43474439 47254825 103960615 160666405 217372195 353466091 478218829 519803075 739065463 803332025 1086860975 1767330455 2391094145 3695327315 8129720093 8836652275 11955470725 18476636575 40648600465 203243002325