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108447293321 is a prime number
BaseRepresentation
bin110010011111111110…
…1100101111110001001
3101100220212201022020022
41210333331211332021
53234100001341241
6121453041510225
710556265532553
oct1447775457611
9340825638208
10108447293321
1141aa0740654
1219026942375
13a2c3912563
14536acc04d3
152c4ab3b54b
hex193ff65f89

108447293321 has 2 divisors, whose sum is σ = 108447293322. Its totient is φ = 108447293320.

The previous prime is 108447293281. The next prime is 108447293359. The reversal of 108447293321 is 123392744801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92530947721 + 15916345600 = 304189^2 + 126160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-108447293321 is a prime.

It is a super-2 number, since 2×1084472933212 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108447293821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54223646660 + 54223646661.

It is an arithmetic number, because the mean of its divisors is an integer number (54223646661).

Almost surely, 2108447293321 is an apocalyptic number.

It is an amenable number.

108447293321 is a deficient number, since it is larger than the sum of its proper divisors (1).

108447293321 is an equidigital number, since it uses as much as digits as its factorization.

108447293321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 108447293321 in words is "one hundred eight billion, four hundred forty-seven million, two hundred ninety-three thousand, three hundred twenty-one".