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7116100921 is a prime number
BaseRepresentation
bin1101010000010011…
…10001010100111001
3200100221012101022101
412220021301110321
5104033210212141
63134042423401
7341225600626
oct65011612471
920327171271
107116100921
113021942a46
121467201b61
13895396207
144b713d34d
152b9aee531
hex1a8271539

7116100921 has 2 divisors, whose sum is σ = 7116100922. Its totient is φ = 7116100920.

The previous prime is 7116100909. The next prime is 7116100931. The reversal of 7116100921 is 1290016117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4164895296 + 2951205625 = 64536^2 + 54325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7116100921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7116100921.

It is not a weakly prime, because it can be changed into another prime (7116100931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3558050460 + 3558050461.

It is an arithmetic number, because the mean of its divisors is an integer number (3558050461).

Almost surely, 27116100921 is an apocalyptic number.

It is an amenable number.

7116100921 is a deficient number, since it is larger than the sum of its proper divisors (1).

7116100921 is an equidigital number, since it uses as much as digits as its factorization.

7116100921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 28.

The square root of 7116100921 is about 84356.9850160614. The cubic root of 7116100921 is about 1923.4491063622.

The spelling of 7116100921 in words is "seven billion, one hundred sixteen million, one hundred thousand, nine hundred twenty-one".