Base | Representation |
---|---|
bin | 111011111110001… |
… | …0111011000101011 |
3 | 12012020112002122222 |
4 | 1313330113120223 |
5 | 13110123010011 |
6 | 531402504255 |
7 | 100603244063 |
oct | 16774273053 |
9 | 5166462588 |
10 | 2012313131 |
11 | 942997704 |
12 | 481b0508b |
13 | 260b98a3a |
14 | 1513823a3 |
15 | bb9e5ddb |
hex | 77f1762b |
2012313131 has 8 divisors (see below), whose sum is σ = 2056355904. Its totient is φ = 1968321600.
The previous prime is 2012313089. The next prime is 2012313143. The reversal of 2012313131 is 1313132102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2012313131 - 26 = 2012313067 is a prime.
It is a super-2 number, since 2×20123131312 = 8098808274390046322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2012312131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72761 + ... + 96533.
It is an arithmetic number, because the mean of its divisors is an integer number (257044488).
Almost surely, 22012313131 is an apocalyptic number.
2012313131 is a deficient number, since it is larger than the sum of its proper divisors (44042773).
2012313131 is a wasteful number, since it uses less digits than its factorization.
2012313131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25621.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 2012313131 is about 44858.8133035193. The cubic root of 2012313131 is about 1262.5013573295.
Adding to 2012313131 its reverse (1313132102), we get a palindrome (3325445233).
The spelling of 2012313131 in words is "two billion, twelve million, three hundred thirteen thousand, one hundred thirty-one".
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