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13442042011 = 86389155599
BaseRepresentation
bin11001000010011010…
…10100100010011011
31021200210120111002211
430201031110202123
5210012130321021
610101501335551
7654051320566
oct144115244233
937623514084
1013442042011
115778756132
1227318675b7
131362b43418
149173554dd
1553a16c3e1
hex32135489b

13442042011 has 4 divisors (see below), whose sum is σ = 13442284000. Its totient is φ = 13441800024.

The previous prime is 13442041997. The next prime is 13442042057. The reversal of 13442042011 is 11024024431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13442042011 - 217 = 13441910939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13442042071) 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, 8590 + ... + 164188.

It is an arithmetic number, because the mean of its divisors is an integer number (3360571000).

Almost surely, 213442042011 is an apocalyptic number.

13442042011 is a deficient number, since it is larger than the sum of its proper divisors (241989).

13442042011 is an equidigital number, since it uses as much as digits as its factorization.

13442042011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241988.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13442042011 its reverse (11024024431), we get a palindrome (24466066442).

The spelling of 13442042011 in words is "thirteen billion, four hundred forty-two million, forty-two thousand, eleven".

Divisors: 1 86389 155599 13442042011