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13001033 = 18477039
BaseRepresentation
bin110001100110…
…000101001001
3220110112001202
4301212011021
511312013113
61142353545
7215335613
oct61460511
926415052
1013001033
11737a961
12442b8b5
132902826
141a25db3
15121c258
hexc66149

13001033 has 4 divisors (see below), whose sum is σ = 13009920. Its totient is φ = 12992148.

The previous prime is 13001029. The next prime is 13001057. The reversal of 13001033 is 33010031.

13001033 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13001033 - 22 = 13001029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001533) 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, 1673 + ... + 5366.

It is an arithmetic number, because the mean of its divisors is an integer number (3252480).

Almost surely, 213001033 is an apocalyptic number.

It is an amenable number.

13001033 is a deficient number, since it is larger than the sum of its proper divisors (8887).

13001033 is an equidigital number, since it uses as much as digits as its factorization.

13001033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8886.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 13001033 is about 3605.6945239440. The cubic root of 13001033 is about 235.1396966295.

Adding to 13001033 its reverse (33010031), we get a palindrome (46011064).

The spelling of 13001033 in words is "thirteen million, one thousand, thirty-three".

Divisors: 1 1847 7039 13001033