Search a number
-
+
12042432311 = 713281470941
BaseRepresentation
bin10110011011100100…
…01110111100110111
31011002020221221112112
423031302032330313
5144130330313221
65310543041235
7604264662050
oct131562167467
934066857475
1012042432311
11511a7036a8
122400ba021b
13119bba04c0
14823505727
154a735315b
hex2cdc8ef37

12042432311 has 16 divisors (see below), whose sum is σ = 14874232128. Its totient is φ = 9494150400.

The previous prime is 12042432277. The next prime is 12042432343. The reversal of 12042432311 is 11323424021.

It is not a de Polignac number, because 12042432311 - 26 = 12042432247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042432361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209900 + ... + 261041.

It is an arithmetic number, because the mean of its divisors is an integer number (929639508).

Almost surely, 212042432311 is an apocalyptic number.

12042432311 is a deficient number, since it is larger than the sum of its proper divisors (2831799817).

12042432311 is a wasteful number, since it uses less digits than its factorization.

12042432311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471242.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12042432311 its reverse (11323424021), we get a palindrome (23365856332).

The spelling of 12042432311 in words is "twelve billion, forty-two million, four hundred thirty-two thousand, three hundred eleven".

Divisors: 1 7 13 91 281 1967 3653 25571 470941 3296587 6122233 42855631 132334421 926340947 1720347473 12042432311