Search a number
-
+
11430443401 = 1318123320849
BaseRepresentation
bin10101010010100111…
…01011100110001001
31002111121101200120121
422221103223212021
5141402143142101
65130122023241
7553154110606
oct125123534611
932447350517
1011430443401
114936207343
122270047b21
1311021679a0
147a611b6ad
1546d7680a1
hex2a94eb989

11430443401 has 16 divisors (see below), whose sum is σ = 12431437200. Its totient is φ = 10447349760.

The previous prime is 11430443399. The next prime is 11430443413. The reversal of 11430443401 is 10434403411.

11430443401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2079360000 + 9351083401 = 45600^2 + 96701^2 .

It is a cyclic number.

It is not a de Polignac number, because 11430443401 - 21 = 11430443399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11430443201) 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 15 ways as a sum of consecutive naturals, for example, 537825 + ... + 558673.

It is an arithmetic number, because the mean of its divisors is an integer number (776964825).

Almost surely, 211430443401 is an apocalyptic number.

It is an amenable number.

11430443401 is a deficient number, since it is larger than the sum of its proper divisors (1000993799).

11430443401 is a wasteful number, since it uses less digits than its factorization.

11430443401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21276.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11430443401 its reverse (10434403411), we get a palindrome (21864846812).

The spelling of 11430443401 in words is "eleven billion, four hundred thirty million, four hundred forty-three thousand, four hundred one".

Divisors: 1 13 181 233 2353 3029 20849 42173 271037 548249 3773669 4857817 49057697 63151621 879264877 11430443401