Search a number
-
+
12444202005 = 35829613467
BaseRepresentation
bin10111001011011101…
…10111010000010101
31012010020221221221120
423211232313100111
5200441203431010
65414454234153
7620243654214
oct134556672025
935106857846
1012444202005
115306478174
1224b3655959
1312341b1451
14860a0b07b
154cc765e70
hex2e5bb7415

12444202005 has 8 divisors (see below), whose sum is σ = 19910723232. Its totient is φ = 6636907728.

The previous prime is 12444201997. The next prime is 12444202007. The reversal of 12444202005 is 50020244421.

It is a happy number.

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

It is not a de Polignac number, because 12444202005 - 23 = 12444201997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444202007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414806719 + ... + 414806748.

It is an arithmetic number, because the mean of its divisors is an integer number (2488840404).

Almost surely, 212444202005 is an apocalyptic number.

12444202005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12444202005 is a deficient number, since it is larger than the sum of its proper divisors (7466521227).

12444202005 is an equidigital number, since it uses as much as digits as its factorization.

12444202005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829613475.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 12444202005 its reverse (50020244421), we get a palindrome (62464446426).

The spelling of 12444202005 in words is "twelve billion, four hundred forty-four million, two hundred two thousand, five".

Divisors: 1 3 5 15 829613467 2488840401 4148067335 12444202005