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440360031013 = 78912746112073
BaseRepresentation
bin1100110100001111000…
…00001101001100100101
31120002122110002101012021
412122013200031030211
524203324131443023
6534144255423141
743546350334630
oct6320740151445
91502573071167
10440360031013
1115a834837031
1271417824ab1
13326ab1797b6
14174564ccc17
15b6c4ceb35d
hex668780d325

440360031013 has 32 divisors (see below), whose sum is σ = 514085806080. Its totient is φ = 369437967360.

The previous prime is 440360030987. The next prime is 440360031047. The reversal of 440360031013 is 310130063044.

It is a happy number.

It is not a de Polignac number, because 440360031013 - 213 = 440360022821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440360031413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36468745 + ... + 36480817.

It is an arithmetic number, because the mean of its divisors is an integer number (16065181440).

Almost surely, 2440360031013 is an apocalyptic number.

It is an amenable number.

440360031013 is a deficient number, since it is larger than the sum of its proper divisors (73725775067).

440360031013 is a wasteful number, since it uses less digits than its factorization.

440360031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12757.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 440360031013 its reverse (310130063044), we get a palindrome (750490094057).

The spelling of 440360031013 in words is "four hundred forty billion, three hundred sixty million, thirty-one thousand, thirteen".

Divisors: 1 7 89 127 461 623 889 3227 11303 12073 41029 58547 79121 84511 287203 409829 1074497 1533271 5210683 5565653 7521479 10732897 36474781 38959571 136461119 495343117 706837931 955227833 3467401819 4947865517 62908575859 440360031013