Base | Representation |
---|---|
bin | 1001001001010101101110… |
… | …01011100001101110100010 |
3 | 2122012200212112110022010200 |
4 | 10210222313023201232202 |
5 | 10114004100143212010 |
6 | 110435213103210030 |
7 | 4144023560306022 |
oct | 444526713415642 |
9 | 78180775408120 |
10 | 20112110132130 |
11 | 64545529366a5 |
12 | 2309a40ba6916 |
13 | b2b743a08523 |
14 | 4d76077a7a82 |
15 | 24d267347cc0 |
hex | 124ab72e1ba2 |
20112110132130 has 48 divisors (see below), whose sum is σ = 55367456132664. Its totient is φ = 5047745287680.
The previous prime is 20112110132129. The next prime is 20112110132171. The reversal of 20112110132130 is 3123101121102.
20112110132130 is a `hidden beast` number, since 201 + 1 + 2 + 110 + 1 + 321 + 30 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 14785416922761 + 5326693209369 = 3845181^2 + 2307963^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6572583481 + ... + 6572586540.
Almost surely, 220112110132130 is an apocalyptic number.
20112110132130 is an abundant number, since it is smaller than the sum of its proper divisors (35255346000534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20112110132130 is a wasteful number, since it uses less digits than its factorization.
20112110132130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13145170051 (or 13145170048 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 20112110132130 its reverse (3123101121102), we get a palindrome (23235211253232).
The spelling of 20112110132130 in words is "twenty trillion, one hundred twelve billion, one hundred ten million, one hundred thirty-two thousand, one hundred thirty".
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