Search a number
-
+
11122441421 = 713122224631
BaseRepresentation
bin10100101101111001…
…01111110011001101
31001201010211120021212
422112330233303031
5140234321111141
65035400304205
7542424122630
oct122674576315
931633746255
1011122441421
114798367953
1221a4a72065
1310833c78b0
14777263c17
154516c82eb
hex296f2fccd

11122441421 has 8 divisors (see below), whose sum is σ = 13689158784. Its totient is φ = 8800173360.

The previous prime is 11122441409. The next prime is 11122441441. The reversal of 11122441421 is 12414422111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11122441421 - 222 = 11118247117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122441441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61112225 + ... + 61112406.

It is an arithmetic number, because the mean of its divisors is an integer number (1711144848).

Almost surely, 211122441421 is an apocalyptic number.

It is an amenable number.

11122441421 is a deficient number, since it is larger than the sum of its proper divisors (2566717363).

11122441421 is a wasteful number, since it uses less digits than its factorization.

11122441421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122224651.

The product of its digits is 512, while the sum is 23.

Adding to 11122441421 its reverse (12414422111), we get a palindrome (23536863532).

The spelling of 11122441421 in words is "eleven billion, one hundred twenty-two million, four hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 7 13 91 122224631 855572417 1588920203 11122441421