Search a number
-
+
144285715873 = 1312787392923
BaseRepresentation
bin1000011001100000011…
…0010100110110100001
3111210102112000210200201
42012120012110312201
54330444120401443
6150141155345201
713265351230525
oct2063006246641
9453375023621
10144285715873
1156211585992
1223b68bb2201
13107b574c950
146daa8b7d85
153b470d334d
hex2198194da1

144285715873 has 8 divisors (see below), whose sum is σ = 156608119808. Its totient is φ = 132138098064.

The previous prime is 144285715859. The next prime is 144285715909. The reversal of 144285715873 is 378517582441.

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 144285715873 - 213 = 144285707681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144285715843) 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, 43694811 + ... + 43698112.

It is an arithmetic number, because the mean of its divisors is an integer number (19576014976).

Almost surely, 2144285715873 is an apocalyptic number.

144285715873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144285715873 is a deficient number, since it is larger than the sum of its proper divisors (12322403935).

144285715873 is a wasteful number, since it uses less digits than its factorization.

144285715873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87393063.

The product of its digits is 7526400, while the sum is 55.

The spelling of 144285715873 in words is "one hundred forty-four billion, two hundred eighty-five million, seven hundred fifteen thousand, eight hundred seventy-three".

Divisors: 1 13 127 1651 87392923 1136107999 11098901221 144285715873