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4978730928293 is a prime number
BaseRepresentation
bin100100001110011001101…
…1111010000100010100101
3122121221222022121100001122
41020130303133100202211
51123032420104201133
614331110350303325
71022462410430543
oct110346337204245
918557868540048
104978730928293
11164a5168a5151
12684ab2ab7b45
132a16527c0035
14132d86b10d93
1589795374498
hex487337d08a5

4978730928293 has 2 divisors, whose sum is σ = 4978730928294. Its totient is φ = 4978730928292.

The previous prime is 4978730928239. The next prime is 4978730928317. The reversal of 4978730928293 is 3928290378794.

Together with previous prime (4978730928239) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4976995122724 + 1735805569 = 2230918^2 + 41663^2 .

It is a cyclic number.

It is not a de Polignac number, because 4978730928293 - 28 = 4978730928037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4978730928203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489365464146 + 2489365464147.

It is an arithmetic number, because the mean of its divisors is an integer number (2489365464147).

Almost surely, 24978730928293 is an apocalyptic number.

It is an amenable number.

4978730928293 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978730928293 is an equidigital number, since it uses as much as digits as its factorization.

4978730928293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329204736, while the sum is 71.

The spelling of 4978730928293 in words is "four trillion, nine hundred seventy-eight billion, seven hundred thirty million, nine hundred twenty-eight thousand, two hundred ninety-three".