Search a number
-
+
11904262943 = 59617199679
BaseRepresentation
bin10110001011000110…
…01010001100011111
31010201121222012210112
423011203022030133
5143334442403233
65245125400235
7600666364646
oct130543121437
933647865715
1011904262943
115059711a41
12238286907b
131179384491
1480d01a35d
1549a15e048
hex2c58ca31f

11904262943 has 4 divisors (see below), whose sum is σ = 11904522240. Its totient is φ = 11904003648.

The previous prime is 11904262879. The next prime is 11904262963. The reversal of 11904262943 is 34926240911.

11904262943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34926240911 = 197177290563.

It is a cyclic number.

It is not a de Polignac number, because 11904262943 - 26 = 11904262879 is a prime.

It is a super-2 number, since 2×119042629432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11904262943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11904262963) 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 3 ways as a sum of consecutive naturals, for example, 40223 + ... + 159456.

It is an arithmetic number, because the mean of its divisors is an integer number (2976130560).

Almost surely, 211904262943 is an apocalyptic number.

11904262943 is a deficient number, since it is larger than the sum of its proper divisors (259297).

11904262943 is an equidigital number, since it uses as much as digits as its factorization.

11904262943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259296.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 11904262943 in words is "eleven billion, nine hundred four million, two hundred sixty-two thousand, nine hundred forty-three".

Divisors: 1 59617 199679 11904262943