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516655675050653 = 681617579930973
BaseRepresentation
bin111010101111001010100010…
…1111110111000101010011101
32111202022210121022122010020102
41311132111011332320222131
51020204341310303110103
65030500201313430445
7213553066160111345
oct16536250576705235
92452283538563212
10516655675050653
1113a693494420396
1249b433b826b425
1319239562220048
1491823a7931d25
153eae5ee337e88
hex1d5e545fb8a9d

516655675050653 has 4 divisors (see below), whose sum is σ = 516663255049788. Its totient is φ = 516648095051520.

The previous prime is 516655675050607. The next prime is 516655675050659. The reversal of 516655675050653 is 356050576556615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 491948939926084 + 24706735124569 = 22179922^2 + 4970587^2 .

It is a cyclic number.

It is not a de Polignac number, because 516655675050653 - 28 = 516655675050397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516655675050653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516655675050659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3789897326 + ... + 3790033647.

It is an arithmetic number, because the mean of its divisors is an integer number (129165813762447).

Almost surely, 2516655675050653 is an apocalyptic number.

It is an amenable number.

516655675050653 is a deficient number, since it is larger than the sum of its proper divisors (7579999135).

516655675050653 is an equidigital number, since it uses as much as digits as its factorization.

516655675050653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7579999134.

The product of its (nonzero) digits is 425250000, while the sum is 65.

The spelling of 516655675050653 in words is "five hundred sixteen trillion, six hundred fifty-five billion, six hundred seventy-five million, fifty thousand, six hundred fifty-three".

Divisors: 1 68161 7579930973 516655675050653