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8078430513 = 32692810171
BaseRepresentation
bin1111000011000001…
…10001000100110001
3202211222222210100010
413201200301010301
5113021034234023
63413340445133
7404122345356
oct74140610461
922758883303
108078430513
11347607745a
1216955497a9
139b9873cca
14568c8262d
1532433e093
hex1e1831131

8078430513 has 4 divisors (see below), whose sum is σ = 10771240688. Its totient is φ = 5385620340.

The previous prime is 8078430487. The next prime is 8078430527. The reversal of 8078430513 is 3150348708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8078430513 - 28 = 8078430257 is a prime.

It is a super-2 number, since 2×80784305132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8078430593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346405083 + ... + 1346405088.

It is an arithmetic number, because the mean of its divisors is an integer number (2692810172).

Almost surely, 28078430513 is an apocalyptic number.

It is an amenable number.

8078430513 is a deficient number, since it is larger than the sum of its proper divisors (2692810175).

8078430513 is a wasteful number, since it uses less digits than its factorization.

8078430513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692810174.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 8078430513 is about 89880.0896361369. The cubic root of 8078430513 is about 2006.5146328226.

The spelling of 8078430513 in words is "eight billion, seventy-eight million, four hundred thirty thousand, five hundred thirteen".

Divisors: 1 3 2692810171 8078430513