Search a number
-
+
13042043041 = 64120346401
BaseRepresentation
bin11000010010101110…
…11100100010100001
31020122220220102200011
430021113130202201
5203202230334131
65554052124521
7641123352046
oct141127344241
936586812604
1013042043041
115592990a75
12263b906741
1312cb002441
148ba1911cd
15514ea90b1
hex3095dc8a1

13042043041 has 4 divisors (see below), whose sum is σ = 13062390084. Its totient is φ = 13021696000.

The previous prime is 13042043011. The next prime is 13042043057. The reversal of 13042043041 is 14034024031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12292378641 + 749664400 = 110871^2 + 27380^2 .

It is a cyclic number.

It is not a de Polignac number, because 13042043041 - 213 = 13042034849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13042043011) 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, 10172560 + ... + 10173841.

It is an arithmetic number, because the mean of its divisors is an integer number (3265597521).

Almost surely, 213042043041 is an apocalyptic number.

It is an amenable number.

13042043041 is a deficient number, since it is larger than the sum of its proper divisors (20347043).

13042043041 is an equidigital number, since it uses as much as digits as its factorization.

13042043041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347042.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13042043041 its reverse (14034024031), we get a palindrome (27076067072).

The spelling of 13042043041 in words is "thirteen billion, forty-two million, forty-three thousand, forty-one".

Divisors: 1 641 20346401 13042043041