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1678230381683 is a prime number
BaseRepresentation
bin11000011010111110010…
…100110110010001110011
312221102210202112122000002
4120122332110312101303
5204444003434203213
63322545101220215
7232151053606412
oct30327624662163
95842722478002
101678230381683
11597808332099
12231303b6166b
13c234454770b
145b32641b479
152d9c454b658
hex186be536473

1678230381683 has 2 divisors, whose sum is σ = 1678230381684. Its totient is φ = 1678230381682.

The previous prime is 1678230381577. The next prime is 1678230381701. The reversal of 1678230381683 is 3861830328761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1678230381683 - 224 = 1678213604467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1678230381983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839115190841 + 839115190842.

It is an arithmetic number, because the mean of its divisors is an integer number (839115190842).

Almost surely, 21678230381683 is an apocalyptic number.

1678230381683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1678230381683 is an equidigital number, since it uses as much as digits as its factorization.

1678230381683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 1678230381683 in words is "one trillion, six hundred seventy-eight billion, two hundred thirty million, three hundred eighty-one thousand, six hundred eighty-three".