Search a number
-
+
12023333231 = 713592937643
BaseRepresentation
bin10110011001010010…
…11000000101101111
31011000221000121112012
423030221120011233
5144110433130411
65305021431435
7603643434440
oct131451300557
934027017465
1012023333231
11510a949238
1223b670b57b
131197c44180
14820b732c7
154a582e18b
hex2cca5816f

12023333231 has 32 divisors (see below), whose sum is σ = 15102097920. Its totient is φ = 9318593664.

The previous prime is 12023333221. The next prime is 12023333251. The reversal of 12023333231 is 13233332021.

12023333231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12023333231 - 210 = 12023332207 is a prime.

It is a super-2 number, since 2×120233332312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12023333197 and 12023333206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023333221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1569296 + ... + 1576938.

It is an arithmetic number, because the mean of its divisors is an integer number (471940560).

Almost surely, 212023333231 is an apocalyptic number.

12023333231 is a deficient number, since it is larger than the sum of its proper divisors (3078764689).

12023333231 is a wasteful number, since it uses less digits than its factorization.

12023333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8015.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 12023333231 its reverse (13233332021), we get a palindrome (25256665252).

The spelling of 12023333231 in words is "twelve billion, twenty-three million, three hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 7 13 59 91 293 413 767 2051 3809 5369 7643 17287 26663 53501 99359 121009 224731 450937 695513 1573117 2239399 3156559 5862181 15675793 29112187 41035267 132124541 203785309 924871787 1717619033 12023333231