Base | Representation |
---|---|
bin | 111111100000100… |
… | …1010011000111100 |
3 | 12111111212120201020 |
4 | 1333001022120330 |
5 | 13331014324012 |
6 | 551242544140 |
7 | 103544203305 |
oct | 17701123074 |
9 | 5444776636 |
10 | 2131011132 |
11 | 9a399a228 |
12 | 4b5808050 |
13 | 27c658143 |
14 | 16303d7ac |
15 | c7140a8c |
hex | 7f04a63c |
2131011132 has 48 divisors (see below), whose sum is σ = 5273749152. Its totient is φ = 667422720.
The previous prime is 2131011107. The next prime is 2131011133. The reversal of 2131011132 is 2311101312.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131011133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116532 + ... + 133572.
It is an arithmetic number, because the mean of its divisors is an integer number (109869774).
Almost surely, 22131011132 is an apocalyptic number.
It is an amenable number.
2131011132 is an abundant number, since it is smaller than the sum of its proper divisors (3142738020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131011132 is a wasteful number, since it uses less digits than its factorization.
2131011132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17678 (or 17676 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
The square root of 2131011132 is about 46162.8761235693. The cubic root of 2131011132 is about 1286.8519139019.
Adding to 2131011132 its reverse (2311101312), we get a palindrome (4442112444).
The spelling of 2131011132 in words is "two billion, one hundred thirty-one million, eleven thousand, one hundred thirty-two".
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