Search a number
-
+
12031300311 = 34785328371
BaseRepresentation
bin10110011010001111…
…10001001011010111
31011001111000101022020
423031013301023113
5144120003102221
65305504304223
7604101236202
oct131507611327
934044011266
1012031300311
11511439aaa8
1223b9312073
1311997a3614
14821c48939
154a63a4ac6
hex2cd1f12d7

12031300311 has 8 divisors (see below), whose sum is σ = 16383047424. Its totient is φ = 7850210040.

The previous prime is 12031300301. The next prime is 12031300319. The reversal of 12031300311 is 11300313021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12031300311 - 25 = 12031300279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031300319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42664045 + ... + 42664326.

It is an arithmetic number, because the mean of its divisors is an integer number (2047880928).

Almost surely, 212031300311 is an apocalyptic number.

12031300311 is a deficient number, since it is larger than the sum of its proper divisors (4351747113).

12031300311 is an equidigital number, since it uses as much as digits as its factorization.

12031300311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85328421.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12031300311 its reverse (11300313021), we get a palindrome (23331613332).

The spelling of 12031300311 in words is "twelve billion, thirty-one million, three hundred thousand, three hundred eleven".

Divisors: 1 3 47 141 85328371 255985113 4010433437 12031300311