Search a number
-
+
3111030301212 = 223292647932761
BaseRepresentation
bin101101010001010111110…
…110110010001000011100
3102000102010001100222101100
4231101113312302020130
5401432342224114322
610341104304113100
7440523142150131
oct55212766621034
912012101328340
103111030301212
11a9a420556399
12422b31905790
131974a46160a2
14aa808c74588
1555dd2005dac
hex2d457db221c

3111030301212 has 36 divisors (see below), whose sum is σ = 7864086573616. Its totient is φ = 1036997795520.

The previous prime is 3111030301199. The next prime is 3111030301213. The reversal of 3111030301212 is 2121030301113.

3111030301212 is a `hidden beast` number, since 311 + 1 + 0 + 30 + 301 + 21 + 2 = 666.

3111030301212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111030301213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2868912 + ... + 3801672.

Almost surely, 23111030301212 is an apocalyptic number.

It is an amenable number.

3111030301212 is an abundant number, since it is smaller than the sum of its proper divisors (4753056272404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111030301212 is a wasteful number, since it uses less digits than its factorization.

3111030301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025418 (or 1025413 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 3111030301212 its reverse (2121030301113), we get a palindrome (5232060602325).

Subtracting from 3111030301212 its reverse (2121030301113), we obtain a palindrome (990000000099).

The spelling of 3111030301212 in words is "three trillion, one hundred eleven billion, thirty million, three hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 92647 185294 277941 370588 555882 833823 932761 1111764 1667646 1865522 2798283 3335292 3731044 5596566 8394849 11193132 16789698 33579396 86417508367 172835016734 259252525101 345670033468 518505050202 777757575303 1037010100404 1555515150606 3111030301212