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11013001 = 61180541
BaseRepresentation
bin101010000000…
…101110001001
3202201111222221
4222000232021
510304404001
61032014041
7162415606
oct52005611
922644887
1011013001
11624225a
123831321
13238798c
1416696ad
15e781a1
hexa80b89

11013001 has 4 divisors (see below), whose sum is σ = 11193604. Its totient is φ = 10832400.

The previous prime is 11012971. The next prime is 11013017. The reversal of 11013001 is 10031011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10031011 = 31323581.

It can be written as a sum of positive squares in 2 ways, for example, as 900601 + 10112400 = 949^2 + 3180^2 .

It is a cyclic number.

It is not a de Polignac number, because 11013001 - 27 = 11012873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013061) 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, 90210 + ... + 90331.

It is an arithmetic number, because the mean of its divisors is an integer number (2798401).

Almost surely, 211013001 is an apocalyptic number.

It is an amenable number.

11013001 is a deficient number, since it is larger than the sum of its proper divisors (180603).

11013001 is an equidigital number, since it uses as much as digits as its factorization.

11013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180602.

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 11013001 is about 3318.5841860649. The cubic root of 11013001 is about 222.4855926369.

Adding to 11013001 its reverse (10031011), we get a palindrome (21044012).

The spelling of 11013001 in words is "eleven million, thirteen thousand, one".

Divisors: 1 61 180541 11013001