Base | Representation |
---|---|
bin | 1001001001110111010100… |
… | …00101101010001101011100 |
3 | 2122021102102100112211222111 |
4 | 10210323222011222031130 |
5 | 10114303013342214322 |
6 | 110451354401523404 |
7 | 4145232510440245 |
oct | 444735205521534 |
9 | 78242370484874 |
10 | 20130144101212 |
11 | 646116760a582 |
12 | 2311434643564 |
13 | b30358ca0552 |
14 | 4d8438917ccc |
15 | 24d9706b1177 |
hex | 124eea16a35c |
20130144101212 has 12 divisors (see below), whose sum is σ = 35233775085600. Its totient is φ = 10063351219616.
The previous prime is 20130144101191. The next prime is 20130144101213. The reversal of 20130144101212 is 21210144103102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20130144101213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430181428 + ... + 430228219.
It is an arithmetic number, because the mean of its divisors is an integer number (2936147923800).
Almost surely, 220130144101212 is an apocalyptic number.
It is an amenable number.
20130144101212 is a deficient number, since it is larger than the sum of its proper divisors (15103630984388).
20130144101212 is a wasteful number, since it uses less digits than its factorization.
20130144101212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 860415500 (or 860415498 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 20130144101212 its reverse (21210144103102), we get a palindrome (41340288204314).
The spelling of 20130144101212 in words is "twenty trillion, one hundred thirty billion, one hundred forty-four million, one hundred one thousand, two hundred twelve".
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