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13502303225 = 52787686267
BaseRepresentation
bin11001001001100110…
…01100101111111001
31021211222222001221122
430210303030233321
5210123042200400
610111453115025
7655412453345
oct144463145771
937758861848
1013502303225
1157a9775294
122749a88a75
131372482248
14921360625
155405c2685
hex324cccbf9

13502303225 has 12 divisors (see below), whose sum is σ = 16764154704. Its totient is φ = 10788101520.

The previous prime is 13502303207. The next prime is 13502303231. The reversal of 13502303225 is 52230320531.

It is not a de Polignac number, because 13502303225 - 210 = 13502302201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13502303194 and 13502303203.

It is an unprimeable number.

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, 323459 + ... + 362808.

It is an arithmetic number, because the mean of its divisors is an integer number (1397012892).

Almost surely, 213502303225 is an apocalyptic number.

It is an amenable number.

13502303225 is a deficient number, since it is larger than the sum of its proper divisors (3261851479).

13502303225 is an equidigital number, since it uses as much as digits as its factorization.

13502303225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687064 (or 687059 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 13502303225 its reverse (52230320531), we get a palindrome (65732623756).

The spelling of 13502303225 in words is "thirteen billion, five hundred two million, three hundred three thousand, two hundred twenty-five".

Divisors: 1 5 25 787 3935 19675 686267 3431335 17156675 540092129 2700460645 13502303225