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13135103 = 31423713
BaseRepresentation
bin110010000110…
…110011111111
3220201022222022
4302012303333
511330310403
61145310355
7216434522
oct62066377
926638868
1013135103
117461663
1244953bb
13294b867
141a5cbb9
151246d38
hexc86cff

13135103 has 4 divisors (see below), whose sum is σ = 13558848. Its totient is φ = 12711360.

The previous prime is 13135097. The next prime is 13135117. The reversal of 13135103 is 30153131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13135103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211826 + ... + 211887.

It is an arithmetic number, because the mean of its divisors is an integer number (3389712).

Almost surely, 213135103 is an apocalyptic number.

13135103 is a deficient number, since it is larger than the sum of its proper divisors (423745).

13135103 is an equidigital number, since it uses as much as digits as its factorization.

13135103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423744.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 13135103 is about 3624.2382647944. The cubic root of 13135103 is about 235.9452077625.

Adding to 13135103 its reverse (30153131), we get a palindrome (43288234).

The spelling of 13135103 in words is "thirteen million, one hundred thirty-five thousand, one hundred three".

Divisors: 1 31 423713 13135103