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13303146225 = 352177375283
BaseRepresentation
bin11000110001110110…
…11110011011110001
31021100010012211220110
430120323132123301
5204221101134400
610040020331533
7650443606605
oct143073363361
937303184813
1013303146225
115707308726
1226b3243ba9
131340131875
14902b1b505
1552cd82e50
hex318ede6f1

13303146225 has 12 divisors (see below), whose sum is σ = 21994535216. Its totient is φ = 7095011280.

The previous prime is 13303146211. The next prime is 13303146251. The reversal of 13303146225 is 52264130331.

It is not a de Polignac number, because 13303146225 - 25 = 13303146193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13303146192 and 13303146201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88687567 + ... + 88687716.

Almost surely, 213303146225 is an apocalyptic number.

13303146225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13303146225 is a deficient number, since it is larger than the sum of its proper divisors (8691388991).

13303146225 is a wasteful number, since it uses less digits than its factorization.

13303146225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177375296 (or 177375291 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 13303146225 its reverse (52264130331), we get a palindrome (65567276556).

The spelling of 13303146225 in words is "thirteen billion, three hundred three million, one hundred forty-six thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 177375283 532125849 886876415 2660629245 4434382075 13303146225