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8071434047 = 19147988223
BaseRepresentation
bin1111000010001100…
…00100111100111111
3202211111211022222202
413201012010330333
5113012241342142
63412530502115
7404006025455
oct74106047477
922744738882
108071434047
113472128956
12169313493b
139b82945a1
14567d809d5
1532390b032
hex1e1184f3f

8071434047 has 8 divisors (see below), whose sum is σ = 8130723840. Its totient is φ = 8012322040.

The previous prime is 8071434043. The next prime is 8071434101. The reversal of 8071434047 is 7404341708.

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 8071434047 - 22 = 8071434043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8071434047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8071434043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47378 + ... + 135600.

It is an arithmetic number, because the mean of its divisors is an integer number (1016340480).

Almost surely, 28071434047 is an apocalyptic number.

8071434047 is a deficient number, since it is larger than the sum of its proper divisors (59289793).

8071434047 is a wasteful number, since it uses less digits than its factorization.

8071434047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88893.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 8071434047 is about 89841.1600938011. The cubic root of 8071434047 is about 2005.9352064888.

The spelling of 8071434047 in words is "eight billion, seventy-one million, four hundred thirty-four thousand, forty-seven".

Divisors: 1 191 479 88223 91489 16850593 42258817 8071434047