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9108381097 is a prime number
BaseRepresentation
bin10000111101110011…
…01101110110101001
3212111210000200221001
420132321231312221
5122123221143342
64103452115001
7441466650634
oct103671556651
925453020831
109108381097
113954497592
121922465a61
13b2206981a
14625988c1b
153849898b7
hex21ee6dda9

9108381097 has 2 divisors, whose sum is σ = 9108381098. Its totient is φ = 9108381096.

The previous prime is 9108381043. The next prime is 9108381151. The reversal of 9108381097 is 7901838019.

It is a balanced prime because it is at equal distance from previous prime (9108381043) and next prime (9108381151).

It can be written as a sum of positive squares in only one way, i.e., 6804765081 + 2303616016 = 82491^2 + 47996^2 .

It is a cyclic number.

It is not a de Polignac number, because 9108381097 - 215 = 9108348329 is a prime.

It is a super-5 number, since 5×91083810975 (a number of 51 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (9108387097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4554190548 + 4554190549.

It is an arithmetic number, because the mean of its divisors is an integer number (4554190549).

Almost surely, 29108381097 is an apocalyptic number.

It is an amenable number.

9108381097 is a deficient number, since it is larger than the sum of its proper divisors (1).

9108381097 is an equidigital number, since it uses as much as digits as its factorization.

9108381097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 9108381097 is about 95437.8389162286. The cubic root of 9108381097 is about 2088.4002239255.

The spelling of 9108381097 in words is "nine billion, one hundred eight million, three hundred eighty-one thousand, ninety-seven".