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13231332132 = 2231102611011
BaseRepresentation
bin11000101001010011…
…00001101100100100
31021011010002022111020
430110221201230210
5204044210112012
610024533211140
7645612316224
oct142451415444
937133068436
1013231332132
11567a818737
122693190ab0
13132b2a9415
148d7386084
155268e9a8c
hex314a61b24

13231332132 has 12 divisors (see below), whose sum is σ = 30873108336. Its totient is φ = 4410444040.

The previous prime is 13231332083. The next prime is 13231332193. The reversal of 13231332132 is 23123313231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551305494 + ... + 551305517.

It is an arithmetic number, because the mean of its divisors is an integer number (2572759028).

Almost surely, 213231332132 is an apocalyptic number.

13231332132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13231332132 is an abundant number, since it is smaller than the sum of its proper divisors (17641776204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231332132 is a wasteful number, since it uses less digits than its factorization.

13231332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102611018 (or 1102611016 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 13231332132 its reverse (23123313231), we get a palindrome (36354645363).

The spelling of 13231332132 in words is "thirteen billion, two hundred thirty-one million, three hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1102611011 2205222022 3307833033 4410444044 6615666066 13231332132