Base | Representation |
---|---|
bin | 10110100011111111… |
… | …11011001010010100 |
3 | 1011021011222202201100 |
4 | 23101333323022110 |
5 | 144301430131012 |
6 | 5321550230100 |
7 | 606113623125 |
oct | 132177731224 |
9 | 34234882640 |
10 | 12113130132 |
11 | 5156600a54 |
12 | 24207b5330 |
13 | 11b072482c |
14 | 82ca6a04c |
15 | 4ad66a8dc |
hex | 2d1ffb294 |
12113130132 has 36 divisors (see below), whose sum is σ = 30707572896. Its totient is φ = 4026069840.
The previous prime is 12113130103. The next prime is 12113130137. The reversal of 12113130132 is 23103131121.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12113130137) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472344 + ... + 497327.
It is an arithmetic number, because the mean of its divisors is an integer number (852988136).
Almost surely, 212113130132 is an apocalyptic number.
12113130132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12113130132 is an abundant number, since it is smaller than the sum of its proper divisors (18594442764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12113130132 is a wasteful number, since it uses less digits than its factorization.
12113130132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 970028 (or 970023 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 12113130132 its reverse (23103131121), we get a palindrome (35216261253).
The spelling of 12113130132 in words is "twelve billion, one hundred thirteen million, one hundred thirty thousand, one hundred thirty-two".
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