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30444831906609 = 379229560957233
BaseRepresentation
bin1101110110000011111010…
…11001000001101100110001
310222210111102200101221202110
412323001331121001230301
512442302003432002414
6144430055050435533
76261365213250261
oct673017531015461
9128714380357673
1030444831906609
119778642a0943a
1234b84b4732ba9
1313cac20bc6183
147737757437a1
1537be174aa459
hex1bb07d641b31

30444831906609 has 16 divisors (see below), whose sum is σ = 41286452422400. Its totient is φ = 19952126827776.

The previous prime is 30444831906571. The next prime is 30444831906613. The reversal of 30444831906609 is 90660913844403.

It is a happy number.

It is not a de Polignac number, because 30444831906609 - 220 = 30444830858033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30444831906679) 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 15 ways as a sum of consecutive naturals, for example, 280424344 + ... + 280532889.

It is an arithmetic number, because the mean of its divisors is an integer number (2580403276400).

Almost surely, 230444831906609 is an apocalyptic number.

It is an amenable number.

30444831906609 is a deficient number, since it is larger than the sum of its proper divisors (10841620515791).

30444831906609 is a wasteful number, since it uses less digits than its factorization.

30444831906609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560957544.

The product of its (nonzero) digits is 13436928, while the sum is 57.

The spelling of 30444831906609 in words is "thirty trillion, four hundred forty-four billion, eight hundred thirty-one million, nine hundred six thousand, six hundred nine".

Divisors: 1 3 79 229 237 687 18091 54273 560957233 1682871699 44315621407 128459206357 132946864221 385377619071 10148277302203 30444831906609