Base | Representation |
---|---|
bin | 1001110010100001010… |
… | …0111111001110011100 |
3 | 121002002202221012121220 |
4 | 2130220110333032130 |
5 | 10223413130040121 |
6 | 205132211453340 |
7 | 15102444043116 |
oct | 2345024771634 |
9 | 532082835556 |
10 | 168180315036 |
11 | 653634489a8 |
12 | 287172b7250 |
13 | 12b22c64116 |
14 | 81d61183b6 |
15 | 4594c046c6 |
hex | 272853f39c |
168180315036 has 192 divisors, whose sum is σ = 428575795200. Its totient is φ = 51136856064.
The previous prime is 168180314983. The next prime is 168180315059. The reversal of 168180315036 is 630513081861.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233908285 + ... + 233909003.
It is an arithmetic number, because the mean of its divisors is an integer number (2232165600).
Almost surely, 2168180315036 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168180315036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214287897600).
168180315036 is an abundant number, since it is smaller than the sum of its proper divisors (260395480164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168180315036 is a wasteful number, since it uses less digits than its factorization.
168180315036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1068 (or 1066 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 42.
Adding to 168180315036 its reverse (630513081861), we get a palindrome (798693396897).
The spelling of 168180315036 in words is "one hundred sixty-eight billion, one hundred eighty million, three hundred fifteen thousand, thirty-six".
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