Search a number
-
+
1443103244231 = 11131191204021
BaseRepresentation
bin10100111111111111101…
…001111111111111000111
312002221220100100110202212
4110333333221333333013
5142120433412303411
63022541422454035
7206155305120065
oct24777751777707
95087810313685
101443103244231
11507020183690
121b382443431b
13a611287c00c
144dbbcdb7035
15278122d168b
hex14fffa7ffc7

1443103244231 has 4 divisors (see below), whose sum is σ = 1574294448264. Its totient is φ = 1311912040200.

The previous prime is 1443103244203. The next prime is 1443103244243. The reversal of 1443103244231 is 1324423013441.

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

It is a cyclic number.

It is not a de Polignac number, because 1443103244231 - 214 = 1443103227847 is a prime.

It is a super-2 number, since 2×14431032442312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443103244731) 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, 65595602000 + ... + 65595602021.

It is an arithmetic number, because the mean of its divisors is an integer number (393573612066).

Almost surely, 21443103244231 is an apocalyptic number.

1443103244231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1443103244231 is a deficient number, since it is larger than the sum of its proper divisors (131191204033).

1443103244231 is a wasteful number, since it uses less digits than its factorization.

1443103244231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131191204032.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1443103244231 its reverse (1324423013441), we get a palindrome (2767526257672).

The spelling of 1443103244231 in words is "one trillion, four hundred forty-three billion, one hundred three million, two hundred forty-four thousand, two hundred thirty-one".

Divisors: 1 11 131191204021 1443103244231