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13210135 = 515831669
BaseRepresentation
bin110010011001…
…001000010111
3220212010220021
4302121020113
511340211020
61151050011
7220166341
oct62311027
926763807
1013210135
117502a74
124510907
132976a63
141a7c291
15125e1aa
hexc99217

13210135 has 8 divisors (see below), whose sum is σ = 15871680. Its totient is φ = 10555104.

The previous prime is 13210129. The next prime is 13210151. The reversal of 13210135 is 53101231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13210135 - 25 = 13210103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7081 + ... + 8749.

It is an arithmetic number, because the mean of its divisors is an integer number (1983960).

Almost surely, 213210135 is an apocalyptic number.

13210135 is a deficient number, since it is larger than the sum of its proper divisors (2661545).

13210135 is a wasteful number, since it uses less digits than its factorization.

13210135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13210135 is about 3634.5749407599. The cubic root of 13210135 is about 236.3936203893.

Adding to 13210135 its reverse (53101231), we get a palindrome (66311366).

The spelling of 13210135 in words is "thirteen million, two hundred ten thousand, one hundred thirty-five".

Divisors: 1 5 1583 1669 7915 8345 2642027 13210135