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13043011 = 29449759
BaseRepresentation
bin110001110000…
…010101000011
3220112122122111
4301300111003
511314334021
61143320151
7215602162
oct61602503
926478574
1013043011
1173a9453
124450057
132918977
141a373d9
1512298e1
hexc70543

13043011 has 4 divisors (see below), whose sum is σ = 13492800. Its totient is φ = 12593224.

The previous prime is 13042999. The next prime is 13043053. The reversal of 13043011 is 11034031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11034031 = 43125601.

It is a cyclic number.

It is not a de Polignac number, because 13043011 - 29 = 13042499 is a prime.

It is a super-2 number, since 2×130430112 = 340240271892242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13042982 and 13043000.

It is not an unprimeable number, because it can be changed into a prime (13043411) 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, 224851 + ... + 224908.

It is an arithmetic number, because the mean of its divisors is an integer number (3373200).

Almost surely, 213043011 is an apocalyptic number.

13043011 is a deficient number, since it is larger than the sum of its proper divisors (449789).

13043011 is an equidigital number, since it uses as much as digits as its factorization.

13043011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449788.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13043011 is about 3611.5109026556. The cubic root of 13043011 is about 235.3924993526.

Adding to 13043011 its reverse (11034031), we get a palindrome (24077042).

The spelling of 13043011 in words is "thirteen million, forty-three thousand, eleven".

Divisors: 1 29 449759 13043011