Base | Representation |
---|---|
bin | 1110001000101011001110… |
… | …01000111010101101101111 |
3 | 11002001122021220000000221111 |
4 | 13010111213020322231233 |
5 | 13033241332112241142 |
6 | 150035551421212451 |
7 | 6355526424351565 |
oct | 704254710725557 |
9 | 132048256000844 |
10 | 31084408712047 |
11 | 99a49073926a9 |
12 | 35a0449701127 |
13 | 144632a033142 |
14 | 7966c9cb3a35 |
15 | 38d89bab8e17 |
hex | 1c456723ab6f |
31084408712047 has 2 divisors, whose sum is σ = 31084408712048. Its totient is φ = 31084408712046.
The previous prime is 31084408712017. The next prime is 31084408712081. The reversal of 31084408712047 is 74021780448013.
It is a weak prime.
It is an emirp because it is prime and its reverse (74021780448013) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 31084408712047 - 227 = 31084274494319 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31084408712017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15542204356023 + 15542204356024.
It is an arithmetic number, because the mean of its divisors is an integer number (15542204356024).
Almost surely, 231084408712047 is an apocalyptic number.
31084408712047 is a deficient number, since it is larger than the sum of its proper divisors (1).
31084408712047 is an equidigital number, since it uses as much as digits as its factorization.
31084408712047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1204224, while the sum is 49.
The spelling of 31084408712047 in words is "thirty-one trillion, eighty-four billion, four hundred eight million, seven hundred twelve thousand, forty-seven".
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