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65274544441 = 1912821267959
BaseRepresentation
bin111100110010101010…
…101000000100111001
320020111002120102111001
4330302222220010321
52032140240410231
645553044005001
74500364321201
oct746252500471
9206432512431
1065274544441
11257568623a7
1210798390761
1362034431c2
1432331bd401
151a7083ab61
hexf32aa8139

65274544441 has 8 divisors (see below), whose sum is σ = 68715662400. Its totient is φ = 61833988080.

The previous prime is 65274544427. The next prime is 65274544463. The reversal of 65274544441 is 14444547256.

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 65274544441 - 211 = 65274542393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65274544391 and 65274544400.

It is not an unprimeable number, because it can be changed into a prime (65274544481) 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 7 ways as a sum of consecutive naturals, for example, 109620 + ... + 377578.

It is an arithmetic number, because the mean of its divisors is an integer number (8589457800).

Almost surely, 265274544441 is an apocalyptic number.

It is an amenable number.

65274544441 is a deficient number, since it is larger than the sum of its proper divisors (3441117959).

65274544441 is a wasteful number, since it uses less digits than its factorization.

65274544441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280799.

The product of its digits is 2150400, while the sum is 46.

The spelling of 65274544441 in words is "sixty-five billion, two hundred seventy-four million, five hundred forty-four thousand, four hundred forty-one".

Divisors: 1 19 12821 243599 267959 5091221 3435502339 65274544441