Base | Representation |
---|---|
bin | 11110111111100100110001… |
… | …01111111011010111001111 |
3 | 22221022120020100211222120010 |
4 | 33133302120233323113033 |
5 | 32413123123030104204 |
6 | 400542004502124303 |
7 | 20233021002211365 |
oct | 1737623057732717 |
9 | 287276210758503 |
10 | 68155103753679 |
11 | 1a7974652a6138 |
12 | 7788aba420693 |
13 | 2c04cca209897 |
14 | 12b8a20515635 |
15 | 7d2d0d6e5d89 |
hex | 3dfc98bfb5cf |
68155103753679 has 8 divisors (see below), whose sum is σ = 92588065476912. Its totient is φ = 44579438933120.
The previous prime is 68155103753677. The next prime is 68155103753699. The reversal of 68155103753679 is 97635730155186.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68155103753679 - 21 = 68155103753677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68155103753677) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214324225482 + ... + 214324225799.
It is an arithmetic number, because the mean of its divisors is an integer number (11573508184614).
Almost surely, 268155103753679 is an apocalyptic number.
68155103753679 is a deficient number, since it is larger than the sum of its proper divisors (24432961723233).
68155103753679 is a wasteful number, since it uses less digits than its factorization.
68155103753679 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428648451337.
The product of its (nonzero) digits is 142884000, while the sum is 66.
The spelling of 68155103753679 in words is "sixty-eight trillion, one hundred fifty-five billion, one hundred three million, seven hundred fifty-three thousand, six hundred seventy-nine".
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