Search a number
-
+
11101430041421 = 12503887901307
BaseRepresentation
bin1010000110001100000011…
…0010110100101101001101
31110022021201202011122121012
42201203000302310231031
52423341212042311141
635335532045215005
72224023533254646
oct241430062645515
943267652148535
1011101430041421
1135a00a9932325
1212b3646561465
13626b252a0045
142a54524c86cd
15143b9121eceb
hexa18c0cb4b4d

11101430041421 has 4 divisors (see below), whose sum is σ = 11102317955232. Its totient is φ = 11100542127612.

The previous prime is 11101430041409. The next prime is 11101430041451. The reversal of 11101430041421 is 12414003410111.

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.

It is a cyclic number.

It is not a de Polignac number, because 11101430041421 - 242 = 6703383530317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101430041451) 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 3 ways as a sum of consecutive naturals, for example, 443938151 + ... + 443963156.

It is an arithmetic number, because the mean of its divisors is an integer number (2775579488808).

Almost surely, 211101430041421 is an apocalyptic number.

It is an amenable number.

11101430041421 is a deficient number, since it is larger than the sum of its proper divisors (887913811).

11101430041421 is an equidigital number, since it uses as much as digits as its factorization.

11101430041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887913810.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 11101430041421 its reverse (12414003410111), we get a palindrome (23515433451532).

The spelling of 11101430041421 in words is "eleven trillion, one hundred one billion, four hundred thirty million, forty-one thousand, four hundred twenty-one".

Divisors: 1 12503 887901307 11101430041421