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2066793445 = 51724315217
BaseRepresentation
bin111101100110000…
…1100001111100101
312100001000222121101
41323030030033211
513213044342240
6541030320101
7102134311603
oct17314141745
95301028541
102066793445
11970718562
124981b9031
1326c262502
141586c4873
15c16a839a
hex7b30c3e5

2066793445 has 8 divisors (see below), whose sum is σ = 2626043544. Its totient is φ = 1556173824.

The previous prime is 2066793433. The next prime is 2066793473. The reversal of 2066793445 is 5443976602.

It is a Cunningham number, because it is equal to 454622+1.

It can be written as a sum of positive squares in 4 ways, for example, as 48358116 + 2018435329 = 6954^2 + 44927^2 .

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 2066793445 - 25 = 2066793413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2066793395 and 2066793404.

It is a congruent number.

It is an unprimeable number.

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, 12157524 + ... + 12157693.

It is an arithmetic number, because the mean of its divisors is an integer number (328255443).

Almost surely, 22066793445 is an apocalyptic number.

It is an amenable number.

2066793445 is a deficient number, since it is larger than the sum of its proper divisors (559250099).

2066793445 is a wasteful number, since it uses less digits than its factorization.

2066793445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24315239.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The square root of 2066793445 is about 45462.0000109982. Note that the first 4 decimals coincide. The cubic root of 2066793445 is about 1273.7934904702.

The spelling of 2066793445 in words is "two billion, sixty-six million, seven hundred ninety-three thousand, four hundred forty-five".

Divisors: 1 5 17 85 24315217 121576085 413358689 2066793445