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445136375304865 = 5237737453628549
BaseRepresentation
bin110010100110110010110001…
…1100001101101001010100001
32011101002121210100111112122201
41211031211203201231022201
5431321103244034223430
64214420454443533201
7162522020226513316
oct14515454341551241
92141077710445581
10445136375304865
1111991a3051a6252
1241b124b352a201
131614c24582312a
147bcca0355ad0d
15366e042e4e8ca
hex194d96386d2a1

445136375304865 has 8 divisors (see below), whose sum is σ = 534388372151400. Its totient is φ = 355959285720192.

The previous prime is 445136375304839. The next prime is 445136375304877. The reversal of 445136375304865 is 568403573631544.

It can be written as a sum of positive squares in 4 ways, for example, as 12742986551824 + 432393388753041 = 3569732^2 + 20794071^2 .

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 445136375304865 - 227 = 445136241087137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445136375304797 and 445136375304806.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18726802390 + ... + 18726826159.

It is an arithmetic number, because the mean of its divisors is an integer number (66798546518925).

Almost surely, 2445136375304865 is an apocalyptic number.

It is an amenable number.

445136375304865 is a deficient number, since it is larger than the sum of its proper divisors (89251996846535).

445136375304865 is a wasteful number, since it uses less digits than its factorization.

445136375304865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37453630931.

The product of its (nonzero) digits is 435456000, while the sum is 64.

The spelling of 445136375304865 in words is "four hundred forty-five trillion, one hundred thirty-six billion, three hundred seventy-five million, three hundred four thousand, eight hundred sixty-five".

Divisors: 1 5 2377 11885 37453628549 187268142745 89027275060973 445136375304865