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108428822647 is a prime number
BaseRepresentation
bin110010011111011011…
…1001000100001110111
3101100212120221220020021
41210332313020201313
53234030234311042
6121451141550011
710555652533315
oct1447667104167
9340776856207
10108428822647
1141a91275332
1219020715307
13a2bcb46272
1453686730b5
152c491dd867
hex193edc8877

108428822647 has 2 divisors, whose sum is σ = 108428822648. Its totient is φ = 108428822646.

The previous prime is 108428822609. The next prime is 108428822657. The reversal of 108428822647 is 746228824801.

It is a strong prime.

It is an emirp because it is prime and its reverse (746228824801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108428822647 - 223 = 108420434039 is a prime.

It is a super-2 number, since 2×1084288226472 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108428822594 and 108428822603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108428822657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54214411323 + 54214411324.

It is an arithmetic number, because the mean of its divisors is an integer number (54214411324).

Almost surely, 2108428822647 is an apocalyptic number.

108428822647 is a deficient number, since it is larger than the sum of its proper divisors (1).

108428822647 is an equidigital number, since it uses as much as digits as its factorization.

108428822647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2752512, while the sum is 52.

The spelling of 108428822647 in words is "one hundred eight billion, four hundred twenty-eight million, eight hundred twenty-two thousand, six hundred forty-seven".