Base | Representation |
---|---|
bin | 110100010000011100… |
… | …1111100110110110111 |
3 | 101201122220000020112102 |
4 | 1220200321330312313 |
5 | 3314312112241322 |
6 | 123315334012315 |
7 | 11051642364305 |
oct | 1504071746667 |
9 | 351586006472 |
10 | 112221212087 |
11 | 43657a48686 |
12 | 198ba7a709b |
13 | a77574759a |
14 | 56081c3275 |
15 | 2dbc104792 |
hex | 1a20e7cdb7 |
112221212087 has 2 divisors, whose sum is σ = 112221212088. Its totient is φ = 112221212086.
The previous prime is 112221212029. The next prime is 112221212119. The reversal of 112221212087 is 780212122211.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 112221212087 - 28 = 112221211831 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (112221212017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110606043 + 56110606044.
It is an arithmetic number, because the mean of its divisors is an integer number (56110606044).
Almost surely, 2112221212087 is an apocalyptic number.
112221212087 is a deficient number, since it is larger than the sum of its proper divisors (1).
112221212087 is an equidigital number, since it uses as much as digits as its factorization.
112221212087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1792, while the sum is 29.
Adding to 112221212087 its reverse (780212122211), we get a palindrome (892433334298).
The spelling of 112221212087 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, eighty-seven".
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