Base | Representation |
---|---|
bin | 1000000111110… |
… | …00110000101100 |
3 | 11202012020202102 |
4 | 10003320300230 |
5 | 114420042123 |
6 | 10432114232 |
7 | 1455035201 |
oct | 403706054 |
9 | 152166672 |
10 | 68127788 |
11 | 35502463 |
12 | 1a995978 |
13 | 11164601 |
14 | 9095ca8 |
15 | 5eab028 |
hex | 40f8c2c |
68127788 has 6 divisors (see below), whose sum is σ = 119223636. Its totient is φ = 34063892.
The previous prime is 68127751. The next prime is 68127791. The reversal of 68127788 is 88772186.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8515970 + ... + 8515977.
It is an arithmetic number, because the mean of its divisors is an integer number (19870606).
Almost surely, 268127788 is an apocalyptic number.
It is an amenable number.
68127788 is a deficient number, since it is larger than the sum of its proper divisors (51095848).
68127788 is a wasteful number, since it uses less digits than its factorization.
68127788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17031951 (or 17031949 counting only the distinct ones).
The product of its digits is 301056, while the sum is 47.
The square root of 68127788 is about 8253.9559000518. The cubic root of 68127788 is about 408.4210298755.
The spelling of 68127788 in words is "sixty-eight million, one hundred twenty-seven thousand, seven hundred eighty-eight".
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