Search a number
-
+
2123032231 = 193101310859
BaseRepresentation
bin111111010001010…
…1110011010100111
312110221212012201101
41332202232122213
513321444012411
6550355540531
7103416322225
oct17642563247
95427765641
102123032231
1199a43a5a1
124b2bba747
1327aac34b8
14161d63b15
15c65b68c1
hex7e8ae6a7

2123032231 has 8 divisors (see below), whose sum is σ = 2136335760. Its totient is φ = 2109752832.

The previous prime is 2123032217. The next prime is 2123032237. The reversal of 2123032231 is 1322303212.

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

It is a cyclic number.

It is not a de Polignac number, because 2123032231 - 27 = 2123032103 is a prime.

It is a super-2 number, since 2×21230322312 = 9014531707729674722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123032199 and 2123032208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123032237) 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, 190080 + ... + 200938.

It is an arithmetic number, because the mean of its divisors is an integer number (267041970).

Almost surely, 22123032231 is an apocalyptic number.

2123032231 is a deficient number, since it is larger than the sum of its proper divisors (13303529).

2123032231 is a wasteful number, since it uses less digits than its factorization.

2123032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12065.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2123032231 is about 46076.3738916161. The cubic root of 2123032231 is about 1285.2438344836.

Adding to 2123032231 its reverse (1322303212), we get a palindrome (3445335443).

The spelling of 2123032231 in words is "two billion, one hundred twenty-three million, thirty-two thousand, two hundred thirty-one".

Divisors: 1 193 1013 10859 195509 2095787 11000167 2123032231