Base | Representation |
---|---|
bin | 111111111110011111… |
… | …100101001110101100 |
3 | 20120022102020222202022 |
4 | 333332133211032230 |
5 | 2111141203420020 |
6 | 51320243045312 |
7 | 4651210035146 |
oct | 777637451654 |
9 | 216272228668 |
10 | 68694201260 |
11 | 271510a4163 |
12 | 11391670838 |
13 | 6629a5c189 |
14 | 3479425c96 |
15 | 1bc0b77625 |
hex | ffe7e53ac |
68694201260 has 12 divisors (see below), whose sum is σ = 144257822688. Its totient is φ = 27477680496.
The previous prime is 68694201217. The next prime is 68694201311. The reversal of 68694201260 is 6210249686.
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, 1717355012 + ... + 1717355051.
It is an arithmetic number, because the mean of its divisors is an integer number (12021485224).
Almost surely, 268694201260 is an apocalyptic number.
It is an amenable number.
68694201260 is an abundant number, since it is smaller than the sum of its proper divisors (75563621428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68694201260 is a wasteful number, since it uses less digits than its factorization.
68694201260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3434710072 (or 3434710070 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 44.
The spelling of 68694201260 in words is "sixty-eight billion, six hundred ninety-four million, two hundred one thousand, two hundred sixty".
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