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8006740073 = 18144236133
BaseRepresentation
bin1110111010011110…
…10010100001101001
3202200000002112112122
413131033102201221
5112344211140243
63402300121025
7402262111343
oct73517224151
922600075478
108006740073
113439661362
121675536175
139a7a62c27
1455d540293
1531cdcc668
hex1dd3d2869

8006740073 has 4 divisors (see below), whose sum is σ = 8050976388. Its totient is φ = 7962503760.

The previous prime is 8006740031. The next prime is 8006740099. The reversal of 8006740073 is 3700476008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1518115369 + 6488624704 = 38963^2 + 80552^2 .

It is a cyclic number.

It is not a de Polignac number, because 8006740073 - 26 = 8006740009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8006740373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22117886 + ... + 22118247.

It is an arithmetic number, because the mean of its divisors is an integer number (2012744097).

Almost surely, 28006740073 is an apocalyptic number.

It is an amenable number.

8006740073 is a deficient number, since it is larger than the sum of its proper divisors (44236315).

8006740073 is a wasteful number, since it uses less digits than its factorization.

8006740073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44236314.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 8006740073 is about 89480.3893207892. The cubic root of 8006740073 is about 2000.5615150857.

The spelling of 8006740073 in words is "eight billion, six million, seven hundred forty thousand, seventy-three".

Divisors: 1 181 44236133 8006740073