Search a number
-
+
20130144101212 = 225849860409647
BaseRepresentation
bin1001001001110111010100…
…00101101010001101011100
32122021102102100112211222111
410210323222011222031130
510114303013342214322
6110451354401523404
74145232510440245
oct444735205521534
978242370484874
1020130144101212
11646116760a582
122311434643564
13b30358ca0552
144d8438917ccc
1524d9706b1177
hex124eea16a35c

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".

Divisors: 1 2 4 5849 11698 23396 860409647 1720819294 3441638588 5032536025303 10065072050606 20130144101212