Search a number
-
+
11015113 = 18735881
BaseRepresentation
bin101010000001…
…001111001001
3202201121220011
4222001033021
510304440423
61032031521
7162425014
oct52011711
922647804
1011015113
1162438aa
1238325a1
132388925
14166a37b
15e78b0d
hexa813c9

11015113 has 4 divisors (see below), whose sum is σ = 11022868. Its totient is φ = 11007360.

The previous prime is 11015111. The next prime is 11015119. The reversal of 11015113 is 31151011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4108729 + 6906384 = 2027^2 + 2628^2 .

It is a cyclic number.

It is not a de Polignac number, because 11015113 - 21 = 11015111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11015093 and 11015102.

It is not an unprimeable number, because it can be changed into a prime (11015111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068 + ... + 4813.

It is an arithmetic number, because the mean of its divisors is an integer number (2755717).

Almost surely, 211015113 is an apocalyptic number.

It is an amenable number.

11015113 is a deficient number, since it is larger than the sum of its proper divisors (7755).

11015113 is an equidigital number, since it uses as much as digits as its factorization.

11015113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754.

The product of its (nonzero) digits is 15, while the sum is 13.

The square root of 11015113 is about 3318.9023787994. The cubic root of 11015113 is about 222.4998139964.

Adding to 11015113 its reverse (31151011), we get a palindrome (42166124).

The spelling of 11015113 in words is "eleven million, fifteen thousand, one hundred thirteen".

Divisors: 1 1873 5881 11015113