Search a number
-
+
11130440401 = 12787641263
BaseRepresentation
bin10100101110110110…
…10000101011010001
31001201200212221211101
422113123100223101
5140243343043101
65040243544401
7542552116363
oct122733205321
931650787741
1011130440401
1147a1930683
1221a768b101
131084c68712
14778346d33
15452258401
hex2976d0ad1

11130440401 has 4 divisors (see below), whose sum is σ = 11218081792. Its totient is φ = 11042799012.

The previous prime is 11130440383. The next prime is 11130440423. The reversal of 11130440401 is 10404403111.

11130440401 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10404403111 = 23334459667.

It is a cyclic number.

It is not a de Polignac number, because 11130440401 - 215 = 11130407633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11130440471) 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, 43820505 + ... + 43820758.

It is an arithmetic number, because the mean of its divisors is an integer number (2804520448).

Almost surely, 211130440401 is an apocalyptic number.

It is an amenable number.

11130440401 is a deficient number, since it is larger than the sum of its proper divisors (87641391).

11130440401 is an equidigital number, since it uses as much as digits as its factorization.

11130440401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87641390.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11130440401 its reverse (10404403111), we get a palindrome (21534843512).

The spelling of 11130440401 in words is "eleven billion, one hundred thirty million, four hundred forty thousand, four hundred one".

Divisors: 1 127 87641263 11130440401