Base | Representation |
---|---|
bin | 111111010110100010… |
… | …010111101000011011 |
3 | 20111120200212021120202 |
4 | 333112202113220123 |
5 | 2103303100441410 |
6 | 51125535012415 |
7 | 4625460062006 |
oct | 772642275033 |
9 | 214520767522 |
10 | 68023843355 |
11 | 26937760366 |
12 | 1122506a10b |
13 | 6550bcabb0 |
14 | 34143a653d |
15 | 1b81dacca5 |
hex | fd6897a1b |
68023843355 has 16 divisors (see below), whose sum is σ = 87931799424. Its totient is φ = 50219241600.
The previous prime is 68023843331. The next prime is 68023843373. The reversal of 68023843355 is 55334832086.
It is not a de Polignac number, because 68023843355 - 28 = 68023843099 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99182 + ... + 381948.
It is an arithmetic number, because the mean of its divisors is an integer number (5495737464).
Almost surely, 268023843355 is an apocalyptic number.
68023843355 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
68023843355 is a deficient number, since it is larger than the sum of its proper divisors (19907956069).
68023843355 is a wasteful number, since it uses less digits than its factorization.
68023843355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286486.
The product of its (nonzero) digits is 2073600, while the sum is 47.
The spelling of 68023843355 in words is "sixty-eight billion, twenty-three million, eight hundred forty-three thousand, three hundred fifty-five".
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