Base | Representation |
---|---|
bin | 111111010110110001… |
… | …100001101001110010 |
3 | 20111120222100010210120 |
4 | 333112301201221302 |
5 | 2103310110112222 |
6 | 51130200111110 |
7 | 4625535620466 |
oct | 772661415162 |
9 | 214528303716 |
10 | 68027816562 |
11 | 26939a24502 |
12 | 11226465496 |
13 | 655198c4c4 |
14 | 3414b1c4a6 |
15 | 1b823e515c |
hex | fd6c61a72 |
68027816562 has 64 divisors (see below), whose sum is σ = 148247971200. Its totient is φ = 20728673280.
The previous prime is 68027816551. The next prime is 68027816567. The reversal of 68027816562 is 26561872086.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (68027816567) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6146938 + ... + 6157994.
It is an arithmetic number, because the mean of its divisors is an integer number (2316374550).
Almost surely, 268027816562 is an apocalyptic number.
68027816562 is an abundant number, since it is smaller than the sum of its proper divisors (80220154638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68027816562 is a wasteful number, since it uses less digits than its factorization.
68027816562 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12971.
The product of its (nonzero) digits is 1935360, while the sum is 51.
The spelling of 68027816562 in words is "sixty-eight billion, twenty-seven million, eight hundred sixteen thousand, five hundred sixty-two".
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