Base | Representation |
---|---|
bin | 11111000110100101101011… |
… | …10010100111001011111010 |
3 | 22222011121022110001102000200 |
4 | 33203102311302213023322 |
5 | 32431100212421242211 |
6 | 401244423324343030 |
7 | 20256312226336416 |
oct | 1743226562471372 |
9 | 288147273042020 |
10 | 68396109165306 |
11 | 1a87a6995a4a7a |
12 | 780775a6a4a76 |
13 | 2c21957991720 |
14 | 12c656451dd46 |
15 | 7d9216a51b56 |
hex | 3e34b5ca72fa |
68396109165306 has 48 divisors (see below), whose sum is σ = 159617868891936. Its totient is φ = 21041403149088.
The previous prime is 68396109165299. The next prime is 68396109165331. The reversal of 68396109165306 is 60356190169386.
68396109165306 is a `hidden beast` number, since 6 + 8 + 3 + 9 + 6 + 1 + 0 + 91 + 6 + 530 + 6 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23288260 + ... + 26060223.
It is an arithmetic number, because the mean of its divisors is an integer number (3325372268582).
Almost surely, 268396109165306 is an apocalyptic number.
68396109165306 is an abundant number, since it is smaller than the sum of its proper divisors (91221759726630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68396109165306 is a wasteful number, since it uses less digits than its factorization.
68396109165306 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49354427 (or 49354424 counting only the distinct ones).
The product of its (nonzero) digits is 37791360, while the sum is 63.
The spelling of 68396109165306 in words is "sixty-eight trillion, three hundred ninety-six billion, one hundred nine million, one hundred sixty-five thousand, three hundred six".
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