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442203442040143 = 7232746605230063
BaseRepresentation
bin110010010001011101000001…
…1000101001100110101001111
32010222201020101012010102100001
41210202322003011030311033
5430430030122130241033
64204253242401145131
7162100100345221540
oct14442720305146517
92128636335112301
10442203442040143
111189994768a2423
1241719ba602b1a7
1315c987b4820b94
147b2aa918864c7
15361cad655ae7d
hex1922e8314cd4f

442203442040143 has 8 divisors (see below), whose sum is σ = 527348204172288. Its totient is φ = 362551890368184.

The previous prime is 442203442040123. The next prime is 442203442040149. The reversal of 442203442040143 is 341040244302244.

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-442203442040143 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 (442203442040149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373302614871 + ... + 1373302615192.

It is an arithmetic number, because the mean of its divisors is an integer number (65918525521536).

Almost surely, 2442203442040143 is an apocalyptic number.

442203442040143 is a deficient number, since it is larger than the sum of its proper divisors (85144762132145).

442203442040143 is a wasteful number, since it uses less digits than its factorization.

442203442040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746605230093.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 442203442040143 its reverse (341040244302244), we get a palindrome (783243686342387).

The spelling of 442203442040143 in words is "four hundred forty-two trillion, two hundred three billion, four hundred forty-two million, forty thousand, one hundred forty-three".

Divisors: 1 7 23 161 2746605230063 19226236610441 63171920291449 442203442040143