Search a number
-
+
232545545231 = 3183881102587
BaseRepresentation
bin1101100010010011001…
…0110110110000001111
3211020020111110200110112
43120210302312300033
512302223124421411
6254455134030235
722541460343346
oct3304462666017
9736214420415
10232545545231
118a69299701a
123909b04837b
1318c0cb9c24c
14b380634b5d
1560b07c3b8b
hex3624cb6c0f

232545545231 has 16 divisors (see below), whose sum is σ = 243217271808. Its totient is φ = 222078172800.

The previous prime is 232545545203. The next prime is 232545545249. The reversal of 232545545231 is 132545545232.

232545545231 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 a de Polignac number, because none of the positive numbers 2k-232545545231 is a prime.

It is a super-2 number, since 2×2325455452312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232545545251) 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 15 ways as a sum of consecutive naturals, for example, 2215520 + ... + 2318106.

It is an arithmetic number, because the mean of its divisors is an integer number (15201079488).

Almost surely, 2232545545231 is an apocalyptic number.

232545545231 is a deficient number, since it is larger than the sum of its proper divisors (10671726577).

232545545231 is a wasteful number, since it uses less digits than its factorization.

232545545231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103582.

The product of its digits is 720000, while the sum is 41.

Subtracting from 232545545231 its reverse (132545545232), we obtain a palindrome (99999999999).

The spelling of 232545545231 in words is "two hundred thirty-two billion, five hundred forty-five million, five hundred forty-five thousand, two hundred thirty-one".

Divisors: 1 31 83 881 2573 27311 73123 102587 2266813 3180197 8514721 90379147 263956351 2801753557 7501469201 232545545231