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2994186509 = 10992929569
BaseRepresentation
bin1011001001110111…
…1010100100001101
321201200002102201122
42302131322210031
522113002432014
61213035450325
7134125110506
oct26235724415
97650072648
102994186509
1112a715a706
126b68b69a5
1338942a3c2
14205931bad
15127ce658e
hexb277a90d

2994186509 has 8 divisors (see below), whose sum is σ = 3025011000. Its totient is φ = 2963423232.

The previous prime is 2994186487. The next prime is 2994186539. The reversal of 2994186509 is 9056814992.

It can be written as a sum of positive squares in 4 ways, for example, as 105124009 + 2889062500 = 10253^2 + 53750^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2994186509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2994186539) 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, 86477 + ... + 116045.

It is an arithmetic number, because the mean of its divisors is an integer number (378126375).

Almost surely, 22994186509 is an apocalyptic number.

It is an amenable number.

2994186509 is a deficient number, since it is larger than the sum of its proper divisors (30824491).

2994186509 is a wasteful number, since it uses less digits than its factorization.

2994186509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30607.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The square root of 2994186509 is about 54719.1603462626. The cubic root of 2994186509 is about 1441.3173562351.

The spelling of 2994186509 in words is "two billion, nine hundred ninety-four million, one hundred eighty-six thousand, five hundred nine".

Divisors: 1 109 929 29569 101261 3223021 27469601 2994186509