Search a number
-
+
11123030130 = 2351721809863
BaseRepresentation
bin10100101101111101…
…11111100001110010
31001201011221110211220
422112332333201302
5140234443431010
65035421045510
7542432124162
oct122676774162
931634843756
1011123030130
11479872a193
1221a50b6896
131083572844
147773785a2
15451792970
hex296fbf872

11123030130 has 32 divisors (see below), whose sum is σ = 28265583744. Its totient is φ = 2791662336.

The previous prime is 11123030123. The next prime is 11123030131. The reversal of 11123030130 is 3103032111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (11123030131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10904422 + ... + 10905441.

It is an arithmetic number, because the mean of its divisors is an integer number (883299492).

Almost surely, 211123030130 is an apocalyptic number.

11123030130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123030130 is an abundant number, since it is smaller than the sum of its proper divisors (17142553614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11123030130 is a wasteful number, since it uses less digits than its factorization.

11123030130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21809890.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11123030130 its reverse (3103032111), we get a palindrome (14226062241).

The spelling of 11123030130 in words is "eleven billion, one hundred twenty-three million, thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 21809863 43619726 65429589 109049315 130859178 218098630 327147945 370767671 654295890 741535342 1112303013 1853838355 2224606026 3707676710 5561515065 11123030130