Base | Representation |
---|---|
bin | 10100000011010… |
… | …11011001110011 |
3 | 102201112001121011 |
4 | 22001223121303 |
5 | 321030241313 |
6 | 24405211351 |
7 | 4111531144 |
oct | 1201533163 |
9 | 381461534 |
10 | 168212083 |
11 | 86a51256 |
12 | 48400b57 |
13 | 28b075a0 |
14 | 184a9acb |
15 | eb7a93d |
hex | a06b673 |
168212083 has 4 divisors (see below), whose sum is σ = 181151488. Its totient is φ = 155272680.
The previous prime is 168212063. The next prime is 168212117. The reversal of 168212083 is 380212861.
168212083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 168212083 - 213 = 168203891 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (168212063) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6469683 + ... + 6469708.
It is an arithmetic number, because the mean of its divisors is an integer number (45287872).
Almost surely, 2168212083 is an apocalyptic number.
168212083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
168212083 is a deficient number, since it is larger than the sum of its proper divisors (12939405).
168212083 is a wasteful number, since it uses less digits than its factorization.
168212083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12939404.
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 168212083 is about 12969.6600957774. The cubic root of 168212083 is about 552.0169284786.
The spelling of 168212083 in words is "one hundred sixty-eight million, two hundred twelve thousand, eighty-three".
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