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13117803 = 330714243
BaseRepresentation
bin110010000010…
…100101101011
3220200110020120
4302002211223
511324232203
61145054323
7216333216
oct62024553
926613216
1013117803
11744a666
1244873a3
132943a1a
141a5677d
151241b53
hexc8296b

13117803 has 8 divisors (see below), whose sum is σ = 17548608. Its totient is φ = 8716104.

The previous prime is 13117801. The next prime is 13117817. The reversal of 13117803 is 30871131.

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

It is not a de Polignac number, because 13117803 - 21 = 13117801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13117801) by changing a digit.

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, 6201 + ... + 8042.

It is an arithmetic number, because the mean of its divisors is an integer number (2193576).

Almost surely, 213117803 is an apocalyptic number.

13117803 is a deficient number, since it is larger than the sum of its proper divisors (4430805).

13117803 is a wasteful number, since it uses less digits than its factorization.

13117803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14553.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 13117803 is about 3621.8507699793. The cubic root of 13117803 is about 235.8415759028.

Adding to 13117803 its reverse (30871131), we get a palindrome (43988934).

The spelling of 13117803 in words is "thirteen million, one hundred seventeen thousand, eight hundred three".

Divisors: 1 3 307 921 14243 42729 4372601 13117803