Base | Representation |
---|---|
bin | 1011111001111… |
… | …10010100111011 |
3 | 20221220220220022 |
4 | 11330332110323 |
5 | 201031320021 |
6 | 13524321055 |
7 | 2321611133 |
oct | 574762473 |
9 | 227826808 |
10 | 99870011 |
11 | 514128aa |
12 | 2954318b |
13 | 178c95a7 |
14 | d399ac3 |
15 | 8b7b1ab |
hex | 5f3e53b |
99870011 has 2 divisors, whose sum is σ = 99870012. Its totient is φ = 99870010.
The previous prime is 99869989. The next prime is 99870031. The reversal of 99870011 is 11007899.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 99870011 - 214 = 99853627 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (99870031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49935005 + 49935006.
It is an arithmetic number, because the mean of its divisors is an integer number (49935006).
Almost surely, 299870011 is an apocalyptic number.
99870011 is a deficient number, since it is larger than the sum of its proper divisors (1).
99870011 is an equidigital number, since it uses as much as digits as its factorization.
99870011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4536, while the sum is 35.
The square root of 99870011 is about 9993.4984364836. The cubic root of 99870011 is about 463.9576776574.
The spelling of 99870011 in words is "ninety-nine million, eight hundred seventy thousand, eleven".
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