Base | Representation |
---|---|
bin | 1001110010011000001… |
… | …1011110011001010011 |
3 | 121002000010011020001001 |
4 | 2130212003132121103 |
5 | 10223323343412213 |
6 | 205124330122431 |
7 | 15101501601145 |
oct | 2344603363123 |
9 | 532003136031 |
10 | 168142169683 |
11 | 65343964814 |
12 | 28706580417 |
13 | 12b180997c7 |
14 | 81d1028c95 |
15 | 45916bc1dd |
hex | 27260de653 |
168142169683 has 16 divisors (see below), whose sum is σ = 171852710400. Its totient is φ = 164470541760.
The previous prime is 168142169681. The next prime is 168142169687. The reversal of 168142169683 is 386961241861.
168142169683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 168142169683 - 21 = 168142169681 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (168142169681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17295498 + ... + 17305216.
It is an arithmetic number, because the mean of its divisors is an integer number (10740794400).
Almost surely, 2168142169683 is an apocalyptic number.
168142169683 is a deficient number, since it is larger than the sum of its proper divisors (3710540717).
168142169683 is a wasteful number, since it uses less digits than its factorization.
168142169683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11682.
The product of its digits is 2985984, while the sum is 55.
The spelling of 168142169683 in words is "one hundred sixty-eight billion, one hundred forty-two million, one hundred sixty-nine thousand, six hundred eighty-three".
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