Base | Representation |
---|---|
bin | 111111111111000010… |
… | …110100110010001100 |
3 | 20120100001122100221022 |
4 | 333333002310302030 |
5 | 2111201040040022 |
6 | 51321213053312 |
7 | 4651351414244 |
oct | 777702646214 |
9 | 216301570838 |
10 | 68703440012 |
11 | 27156334399 |
12 | 11394787238 |
13 | 662b9453ac |
14 | 347a74cb24 |
15 | 1bc189ec42 |
hex | fff0b4c8c |
68703440012 has 12 divisors (see below), whose sum is σ = 120233655360. Its totient is φ = 34350967056.
The previous prime is 68703439999. The next prime is 68703440021. The reversal of 68703440012 is 21004430786.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50789 + ... + 374147.
It is an arithmetic number, because the mean of its divisors is an integer number (10019471280).
Almost surely, 268703440012 is an apocalyptic number.
It is an amenable number.
68703440012 is a deficient number, since it is larger than the sum of its proper divisors (51530215348).
68703440012 is a wasteful number, since it uses less digits than its factorization.
68703440012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 376480 (or 376478 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 35.
Adding to 68703440012 its reverse (21004430786), we get a palindrome (89707870798).
The spelling of 68703440012 in words is "sixty-eight billion, seven hundred three million, four hundred forty thousand, twelve".
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