Base | Representation |
---|---|
bin | 1011111010010… |
… | …10010100000111 |
3 | 20222000102020211 |
4 | 11331022110013 |
5 | 201034402421 |
6 | 13525340251 |
7 | 2322204235 |
oct | 575122407 |
9 | 228012224 |
10 | 99919111 |
11 | 51446786 |
12 | 29567687 |
13 | 17915a46 |
14 | d3ad955 |
15 | 8b8a9e1 |
hex | 5f4a507 |
99919111 has 2 divisors, whose sum is σ = 99919112. Its totient is φ = 99919110.
The previous prime is 99919103. The next prime is 99919117. The reversal of 99919111 is 11191999.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 99919111 - 23 = 99919103 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (99919117) by changing a digit.
It is an upside-down number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49959555 + 49959556.
It is an arithmetic number, because the mean of its divisors is an integer number (49959556).
Almost surely, 299919111 is an apocalyptic number.
99919111 is a deficient number, since it is larger than the sum of its proper divisors (1).
99919111 is an equidigital number, since it uses as much as digits as its factorization.
99919111 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6561, while the sum is 40.
The square root of 99919111 is about 9995.9547317903. The cubic root of 99919111 is about 464.0336984419.
The spelling of 99919111 in words is "ninety-nine million, nine hundred nineteen thousand, one hundred eleven".
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