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13213403425 = 5217131237331
BaseRepresentation
bin11000100111001010…
…01000100100100001
31021002212100102221001
430103211020210201
5204030112402200
610023053032001
7645304035025
oct142345104441
937085312831
1013213403425
115670692622
122689185601
13132766ca11
148d4c3a385
1552505776a
hex313948921

13213403425 has 24 divisors (see below), whose sum is σ = 17480925792. Its totient is φ = 9872928000.

The previous prime is 13213403417. The next prime is 13213403443. The reversal of 13213403425 is 52430431231.

It is a happy number.

It is not a de Polignac number, because 13213403425 - 23 = 13213403417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13213403393 and 13213403402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62991 + ... + 174340.

It is an arithmetic number, because the mean of its divisors is an integer number (728371908).

Almost surely, 213213403425 is an apocalyptic number.

It is an amenable number.

13213403425 is a deficient number, since it is larger than the sum of its proper divisors (4267522367).

13213403425 is a wasteful number, since it uses less digits than its factorization.

13213403425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237489 (or 237484 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13213403425 its reverse (52430431231), we get a palindrome (65643834656).

The spelling of 13213403425 in words is "thirteen billion, two hundred thirteen million, four hundred three thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 131 425 655 2227 3275 11135 55675 237331 1186655 4034627 5933275 20173135 31090361 100865675 155451805 528536137 777259025 2642680685 13213403425