Base | Representation |
---|---|
bin | 11100111100010001000… |
… | …00111100101110000111 |
3 | 10112001210101022112020022 |
4 | 32132020200330232013 |
5 | 112243042003042241 |
6 | 2040500034325355 |
7 | 131562563461361 |
oct | 16361040745607 |
9 | 3461711275208 |
10 | 994427784071 |
11 | 353809617667 |
12 | 140887a2985b |
13 | 72a0aa1b857 |
14 | 361b8391d31 |
15 | 1ad0247e54b |
hex | e78883cb87 |
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".
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