Search a number
-
+
12144243103 = 91118897057
BaseRepresentation
bin10110100111101101…
…00111000110011111
31011100100112110200121
423103312213012133
5144332411234403
65325021135411
7606642235366
oct132366470637
934310473617
1012144243103
115172121653
12242b0ba567
1311b6cc9285
14832c487dd
154b12643bd
hex2d3da719f

12144243103 has 8 divisors (see below), whose sum is σ = 12165733440. Its totient is φ = 12122772480.

The previous prime is 12144243079. The next prime is 12144243121. The reversal of 12144243103 is 30134244121.

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

It is a cyclic number.

It is not a de Polignac number, because 12144243103 - 25 = 12144243071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144243143) 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, 1717351 + ... + 1724407.

It is an arithmetic number, because the mean of its divisors is an integer number (1520716680).

Almost surely, 212144243103 is an apocalyptic number.

12144243103 is a deficient number, since it is larger than the sum of its proper divisors (21490337).

12144243103 is an equidigital number, since it uses as much as digits as its factorization.

12144243103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9857.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12144243103 its reverse (30134244121), we get a palindrome (42278487224).

The spelling of 12144243103 in words is "twelve billion, one hundred forty-four million, two hundred forty-three thousand, one hundred three".

Divisors: 1 911 1889 7057 1720879 6428927 13330673 12144243103