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8120084694 = 2310712648107
BaseRepresentation
bin1111000111111111…
…01010100011010110
3202221220101001010120
413203333222203112
5113112220202234
63421425332410
7405136403211
oct74377524326
922856331116
108120084694
1134976378a7
1216a7497106
139c5399757
14570606778
15327d1b049
hex1e3fea8d6

8120084694 has 16 divisors (see below), whose sum is σ = 16391947968. Its totient is φ = 2681398472.

The previous prime is 8120084677. The next prime is 8120084699. The reversal of 8120084694 is 4964800218.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120084699) 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, 6323412 + ... + 6324695.

It is an arithmetic number, because the mean of its divisors is an integer number (1024496748).

Almost surely, 28120084694 is an apocalyptic number.

8120084694 is an abundant number, since it is smaller than the sum of its proper divisors (8271863274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8120084694 is a wasteful number, since it uses less digits than its factorization.

8120084694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12648219.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 8120084694 is about 90111.5125497292. The cubic root of 8120084694 is about 2009.9574006466.

The spelling of 8120084694 in words is "eight billion, one hundred twenty million, eighty-four thousand, six hundred ninety-four".

Divisors: 1 2 3 6 107 214 321 642 12648107 25296214 37944321 75888642 1353347449 2706694898 4060042347 8120084694