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8116208101 = 15766377789
BaseRepresentation
bin1111000111100001…
…11000000111100101
3202221122002002110001
413203300320013211
5113110222124401
63421210301301
7405061426201
oct74360700745
922848062401
108116208101
11349542a301
1216a6127831
139c4640101
1456dcb7b01
15327802601
hex1e3c381e5

8116208101 has 8 divisors (see below), whose sum is σ = 8170183160. Its totient is φ = 8062262208.

The previous prime is 8116208077. The next prime is 8116208129. The reversal of 8116208101 is 1018026118.

It is a Cunningham number, because it is equal to 900902+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 8116208100 = 1^2 + 90090^2 .

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 8116208101 - 231 = 5968724453 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 8116208101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8116208171) 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, 1038115 + ... + 1045903.

It is an arithmetic number, because the mean of its divisors is an integer number (1021272895).

Almost surely, 28116208101 is an apocalyptic number.

It is an amenable number.

8116208101 is a deficient number, since it is larger than the sum of its proper divisors (53975059).

8116208101 is a wasteful number, since it uses less digits than its factorization.

8116208101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14583.

The product of its (nonzero) digits is 768, while the sum is 28.

The square root of 8116208101 is about 90090.0000055500. Note that the first 5 decimals coincide. The cubic root of 8116208101 is about 2009.6374931840.

The spelling of 8116208101 in words is "eight billion, one hundred sixteen million, two hundred eight thousand, one hundred one".

Divisors: 1 157 6637 7789 1042009 1222873 51695593 8116208101