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13200031103 = 71885718729
BaseRepresentation
bin11000100101100100…
…00111110101111111
31021001221012001112212
430102302013311333
5204013201443403
610021454251035
7645052261460
oct142262076577
937057161485
1013200031103
115664089816
1226847b6a7b
13132496a1bc
148d3158d67
15523cb54d8
hex312c87d7f

13200031103 has 4 divisors (see below), whose sum is σ = 15085749840. Its totient is φ = 11314312368.

The previous prime is 13200031099. The next prime is 13200031109. The reversal of 13200031103 is 30113000231.

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

It is a cyclic number.

It is not a de Polignac number, because 13200031103 - 22 = 13200031099 is a prime.

It is a super-2 number, since 2×132000311032 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200031109) 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, 942859358 + ... + 942859371.

It is an arithmetic number, because the mean of its divisors is an integer number (3771437460).

Almost surely, 213200031103 is an apocalyptic number.

13200031103 is a deficient number, since it is larger than the sum of its proper divisors (1885718737).

13200031103 is an equidigital number, since it uses as much as digits as its factorization.

13200031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885718736.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13200031103 its reverse (30113000231), we get a palindrome (43313031334).

The spelling of 13200031103 in words is "thirteen billion, two hundred million, thirty-one thousand, one hundred three".

Divisors: 1 7 1885718729 13200031103