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445306460409 = 3324168434987
BaseRepresentation
bin1100111101011100101…
…01010101100011111001
31120120102011200000201000
412132232111111203321
524243441423213114
6540323154515213
744113052313606
oct6365625254371
91516364600630
10445306460409
11161942984708
1272378295b09
1332cb8b9c9b5
14177a54076ad
15b8b41bee09
hex67ae5558f9

445306460409 has 16 divisors (see below), whose sum is σ = 662450683840. Its totient is φ = 295639139520.

The previous prime is 445306460387. The next prime is 445306460453. The reversal of 445306460409 is 904064603544.

445306460409 is a `hidden beast` number, since 4 + 4 + 5 + 30 + 6 + 4 + 604 + 0 + 9 = 666.

It is not a de Polignac number, because 445306460409 - 212 = 445306456313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445306460309) 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, 34210987 + ... + 34224000.

It is an arithmetic number, because the mean of its divisors is an integer number (41403167740).

Almost surely, 2445306460409 is an apocalyptic number.

It is an amenable number.

445306460409 is a deficient number, since it is larger than the sum of its proper divisors (217144223431).

445306460409 is a wasteful number, since it uses less digits than its factorization.

445306460409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68435237 (or 68435231 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 445306460409 in words is "four hundred forty-five billion, three hundred six million, four hundred sixty thousand, four hundred nine".

Divisors: 1 3 9 27 241 723 2169 6507 68434987 205304961 615914883 1847744649 16492831867 49478495601 148435486803 445306460409