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2054164784873 is a prime number
BaseRepresentation
bin11101111001000101110…
…000110010011011101001
321021101011021110000101112
4131321011300302123221
5232123412141103443
64211400440200105
7301260055402535
oct35710560623351
97241137400345
102054164784873
11722191518403
1229213b769035
1311b926100136
14715ca38abc5
15386782e7b18
hex1de45c326e9

2054164784873 has 2 divisors, whose sum is σ = 2054164784874. Its totient is φ = 2054164784872.

The previous prime is 2054164784827. The next prime is 2054164784891. The reversal of 2054164784873 is 3784874614502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2006792391769 + 47372393104 = 1416613^2 + 217652^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054164784873 - 214 = 2054164768489 is a prime.

It is a super-2 number, since 2×20541647848732 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2054164784803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027082392436 + 1027082392437.

It is an arithmetic number, because the mean of its divisors is an integer number (1027082392437).

Almost surely, 22054164784873 is an apocalyptic number.

It is an amenable number.

2054164784873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054164784873 is an equidigital number, since it uses as much as digits as its factorization.

2054164784873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36126720, while the sum is 59.

The spelling of 2054164784873 in words is "two trillion, fifty-four billion, one hundred sixty-four million, seven hundred eighty-four thousand, eight hundred seventy-three".