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444401420403 = 3391937798879
BaseRepresentation
bin1100111011110000110…
…00111000100001110011
31120111002002200020012210
412131320120320201303
524240113230423103
6540053304423203
744051452514163
oct6357030704163
91514062606183
10444401420403
1116151901a766
1272165177b03
1332ba3530275
141771b1385a3
15b85e9e9e03
hex6778638873

444401420403 has 8 divisors (see below), whose sum is σ = 592686438400. Its totient is φ = 296192008008.

The previous prime is 444401420387. The next prime is 444401420413. The reversal of 444401420403 is 304024104444.

444401420403 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 444401420403 - 24 = 444401420387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444401420413) 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, 18887683 + ... + 18911196.

It is an arithmetic number, because the mean of its divisors is an integer number (74085804800).

Almost surely, 2444401420403 is an apocalyptic number.

444401420403 is a deficient number, since it is larger than the sum of its proper divisors (148285017997).

444401420403 is a wasteful number, since it uses less digits than its factorization.

444401420403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37802801.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 444401420403 its reverse (304024104444), we get a palindrome (748425524847).

The spelling of 444401420403 in words is "four hundred forty-four billion, four hundred one million, four hundred twenty thousand, four hundred three".

Divisors: 1 3 3919 11757 37798879 113396637 148133806801 444401420403