Search a number
-
+
11018809145 = 571124924851
BaseRepresentation
bin10100100001100010…
…11010111100111001
31001102220211111112102
422100301122330321
5140031303343040
65021215153145
7540025222001
oct122061327471
931386744472
1011018809145
114744915443
1221762157b5
131067ab1a16
147675a9001
15447557515
hex290c5af39

11018809145 has 16 divisors (see below), whose sum is σ = 13420080000. Its totient is φ = 8683584000.

The previous prime is 11018809141. The next prime is 11018809159. The reversal of 11018809145 is 54190881011.

11018809145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11018809145 - 22 = 11018809141 is a prime.

It is a super-3 number, since 3×110188091453 (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11018809099 and 11018809108.

It is not an unprimeable number, because it can be changed into a prime (11018809141) 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 15 ways as a sum of consecutive naturals, for example, 430970 + ... + 455820.

It is an arithmetic number, because the mean of its divisors is an integer number (838755000).

Almost surely, 211018809145 is an apocalyptic number.

It is an amenable number.

11018809145 is a deficient number, since it is larger than the sum of its proper divisors (2401270855).

11018809145 is a wasteful number, since it uses less digits than its factorization.

11018809145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26176.

The product of its (nonzero) digits is 11520, while the sum is 38.

The spelling of 11018809145 in words is "eleven billion, eighteen million, eight hundred nine thousand, one hundred forty-five".

Divisors: 1 5 71 355 1249 6245 24851 88679 124255 443395 1764421 8822105 31038899 155194495 2203761829 11018809145