Base | Representation |
---|---|
bin | 10100011110110… |
… | …10010011100100 |
3 | 102222021221211221 |
4 | 22033122103210 |
5 | 322440441233 |
6 | 25014310124 |
7 | 4154243551 |
oct | 1217322344 |
9 | 388257757 |
10 | 171812068 |
11 | 88a8aa4a |
12 | 49658344 |
13 | 2979805c |
14 | 18b65a28 |
15 | 1013c42d |
hex | a3da4e4 |
171812068 has 12 divisors (see below), whose sum is σ = 300998572. Its totient is φ = 85812480.
The previous prime is 171812057. The next prime is 171812101. The reversal of 171812068 is 860218171.
171812068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 53611684 + 118200384 = 7322^2 + 10872^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19173 + ... + 26668.
Almost surely, 2171812068 is an apocalyptic number.
It is an amenable number.
171812068 is a deficient number, since it is larger than the sum of its proper divisors (129186504).
171812068 is a wasteful number, since it uses less digits than its factorization.
171812068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46782 (or 46780 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 34.
The square root of 171812068 is about 13107.7102500780. The cubic root of 171812068 is about 555.9271551996.
The spelling of 171812068 in words is "one hundred seventy-one million, eight hundred twelve thousand, sixty-eight".
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