Search a number
-
+
13444023011 = 172712918173
BaseRepresentation
bin11001000010101001…
…11000001011100011
31021200221022010112012
430201110320023203
5210013132214021
610102012023135
7654104211236
oct144124701343
937627263465
1013444023011
115779889521
122732461aab
131363388003
1491770d41d
1553a40e35b
hex3215382e3

13444023011 has 8 divisors (see below), whose sum is σ = 14287379904. Its totient is φ = 12606503040.

The previous prime is 13444022989. The next prime is 13444023013. The reversal of 13444023011 is 11032044431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13444023011 is a prime.

It is a super-2 number, since 2×134440230112 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13444023013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454480 + ... + 1463693.

It is an arithmetic number, because the mean of its divisors is an integer number (1785922488).

Almost surely, 213444023011 is an apocalyptic number.

13444023011 is a deficient number, since it is larger than the sum of its proper divisors (843356893).

13444023011 is a wasteful number, since it uses less digits than its factorization.

13444023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918461.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13444023011 its reverse (11032044431), we get a palindrome (24476067442).

The spelling of 13444023011 in words is "thirteen billion, four hundred forty-four million, twenty-three thousand, eleven".

Divisors: 1 17 271 4607 2918173 49608941 790824883 13444023011