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8120113 is a prime number
BaseRepresentation
bin11110111110011100110001
3120021112200221
4132332130301
54034320423
6450013041
7126006541
oct36763461
916245627
108120113
114646841
122877181
1318b4001
141115321
15aa5e5d
hex7be731

8120113 has 2 divisors, whose sum is σ = 8120114. Its totient is φ = 8120112.

The previous prime is 8120071. The next prime is 8120117. The reversal of 8120113 is 3110218.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4460544 + 3659569 = 2112^2 + 1913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8120113 is a prime.

It is not a weakly prime, because it can be changed into another prime (8120117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060056 + 4060057.

It is an arithmetic number, because the mean of its divisors is an integer number (4060057).

Almost surely, 28120113 is an apocalyptic number.

It is an amenable number.

8120113 is a deficient number, since it is larger than the sum of its proper divisors (1).

8120113 is an equidigital number, since it uses as much as digits as its factorization.

8120113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 8120113 is about 2849.5811972990. The cubic root of 8120113 is about 200.9959736164.

The spelling of 8120113 in words is "eight million, one hundred twenty thousand, one hundred thirteen".