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994427784071 is a prime number
BaseRepresentation
bin11100111100010001000…
…00111100101110000111
310112001210101022112020022
432132020200330232013
5112243042003042241
62040500034325355
7131562563461361
oct16361040745607
93461711275208
10994427784071
11353809617667
12140887a2985b
1372a0aa1b857
14361b8391d31
151ad0247e54b
hexe78883cb87

994427784071 has 2 divisors, whose sum is σ = 994427784072. Its totient is φ = 994427784070.

The previous prime is 994427784061. The next prime is 994427784109. The reversal of 994427784071 is 170487724499.

994427784071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 994427784071 - 234 = 977247914887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994427783995 and 994427784013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994427784001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497213892035 + 497213892036.

It is an arithmetic number, because the mean of its divisors is an integer number (497213892036).

Almost surely, 2994427784071 is an apocalyptic number.

994427784071 is a deficient number, since it is larger than the sum of its proper divisors (1).

994427784071 is an equidigital number, since it uses as much as digits as its factorization.

994427784071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28449792, while the sum is 62.

The spelling of 994427784071 in words is "nine hundred ninety-four billion, four hundred twenty-seven million, seven hundred eighty-four thousand, seventy-one".