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444013121303 = 3179355750971
BaseRepresentation
bin1100111011000010011…
…11101000111100010111
31120110002001000120222122
412131201033220330113
524233314324340203
6535550554050155
744036026154633
oct6354117507427
91513061016878
10444013121303
11161339916914
127207711995b
1332b40c5779b
14176c173bdc3
15b83a898538
hex67613e8f17

444013121303 has 16 divisors (see below), whose sum is σ = 464277442560. Its totient is φ = 424123408800.

The previous prime is 444013121287. The next prime is 444013121359. The reversal of 444013121303 is 303121310444.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 444013121303 - 24 = 444013121287 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 (444013121203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8685608 + ... + 8736578.

It is an arithmetic number, because the mean of its divisors is an integer number (29017340160).

Almost surely, 2444013121303 is an apocalyptic number.

444013121303 is a deficient number, since it is larger than the sum of its proper divisors (20264321257).

444013121303 is a wasteful number, since it uses less digits than its factorization.

444013121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54638.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 444013121303 its reverse (303121310444), we get a palindrome (747134431747).

The spelling of 444013121303 in words is "four hundred forty-four billion, thirteen million, one hundred twenty-one thousand, three hundred three".

Divisors: 1 31 79 2449 3557 50971 110267 281003 1580101 4026709 8711093 124827979 181303847 5620419257 14323003913 444013121303