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444212434021405 = 5712691783829183
BaseRepresentation
bin110010100000000100100010…
…0010101011010110000011101
32011020211021221021222020200011
41211000021010111122300131
5431210434031102141110
64212432212555403221
7162365201135262460
oct14500110425326035
92136737837866604
10444212434021405
111195a3487457885
12419a3419453511
13160b308bc8870a
147b99dd46612d7
153654eb8b7e48a
hex194024455ac1d

444212434021405 has 8 divisors (see below), whose sum is σ = 609205623800832. Its totient is φ = 304602811900368.

The previous prime is 444212434021379. The next prime is 444212434021423. The reversal of 444212434021405 is 504120434212444.

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 444212434021405 - 215 = 444212433988637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6345891914557 + ... + 6345891914626.

It is an arithmetic number, because the mean of its divisors is an integer number (76150702975104).

Almost surely, 2444212434021405 is an apocalyptic number.

It is an amenable number.

444212434021405 is a deficient number, since it is larger than the sum of its proper divisors (164993189779427).

444212434021405 is a wasteful number, since it uses less digits than its factorization.

444212434021405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12691783829195.

The product of its (nonzero) digits is 491520, while the sum is 40.

Adding to 444212434021405 its reverse (504120434212444), we get a palindrome (948332868233849).

The spelling of 444212434021405 in words is "four hundred forty-four trillion, two hundred twelve billion, four hundred thirty-four million, twenty-one thousand, four hundred five".

Divisors: 1 5 7 35 12691783829183 63458919145915 88842486804281 444212434021405