Search a number
-
+
11430105823 = 19237855739
BaseRepresentation
bin10101010010100100…
…11001001011011111
31002111120202112111201
422221102121023133
5141402101341243
65130110500331
7553151203453
oct125122311337
932446675451
1011430105823
114935aa6754
12226bb046a7
13110207a136
147a6070663
1546d6ed04d
hex2a94992df

11430105823 has 12 divisors (see below), whose sum is σ = 12389403720. Its totient is φ = 10535846256.

The previous prime is 11430105787. The next prime is 11430105847. The reversal of 11430105823 is 32850103411.

It is a happy number.

It is not a de Polignac number, because 11430105823 - 225 = 11396551391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11430105791 and 11430105800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430105893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414513 + ... + 441226.

It is an arithmetic number, because the mean of its divisors is an integer number (1032450310).

Almost surely, 211430105823 is an apocalyptic number.

11430105823 is a deficient number, since it is larger than the sum of its proper divisors (959297897).

11430105823 is an equidigital number, since it uses as much as digits as its factorization.

11430105823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855814 (or 855795 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 11430105823 in words is "eleven billion, four hundred thirty million, one hundred five thousand, eight hundred twenty-three".

Divisors: 1 19 37 361 703 13357 855739 16259041 31662343 308921779 601584517 11430105823