Base | Representation |
---|---|
bin | 1000000111101… |
… | …10010110101100 |
3 | 11202011202020101 |
4 | 10003312112230 |
5 | 114414233212 |
6 | 10432000444 |
7 | 1454664361 |
oct | 403662654 |
9 | 152152211 |
10 | 68117932 |
11 | 354a6013 |
12 | 1a990124 |
13 | 1115cc8c |
14 | 9092468 |
15 | 5ea8157 |
hex | 40f65ac |
68117932 has 12 divisors (see below), whose sum is σ = 121455936. Its totient is φ = 33416240.
The previous prime is 68117921. The next prime is 68117947. The reversal of 68117932 is 23971186.
It is a super-3 number, since 3×681179323 (a number of 24 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 68117891 and 68117900.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160444 + ... + 160867.
It is an arithmetic number, because the mean of its divisors is an integer number (10121328).
Almost surely, 268117932 is an apocalyptic number.
It is an amenable number.
68117932 is a deficient number, since it is larger than the sum of its proper divisors (53338004).
68117932 is a wasteful number, since it uses less digits than its factorization.
68117932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 321368 (or 321366 counting only the distinct ones).
The product of its digits is 18144, while the sum is 37.
The square root of 68117932 is about 8253.3588314092. The cubic root of 68117932 is about 408.4013335963.
The spelling of 68117932 in words is "sixty-eight million, one hundred seventeen thousand, nine hundred thirty-two".
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