Base | Representation |
---|---|
bin | 1000000111101… |
… | …11000000011001 |
3 | 11202011212220020 |
4 | 10003313000121 |
5 | 114414324401 |
6 | 10432021053 |
7 | 1455005223 |
oct | 403670031 |
9 | 152155806 |
10 | 68120601 |
11 | 354a801a |
12 | 1a991789 |
13 | 11161263 |
14 | 9093413 |
15 | 5ea8d36 |
hex | 40f7019 |
68120601 has 8 divisors (see below), whose sum is σ = 91045920. Its totient is φ = 45304512.
The previous prime is 68120599. The next prime is 68120603. The reversal of 68120601 is 10602186.
It is an interprime number because it is at equal distance from previous prime (68120599) and next prime (68120603).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68120601 - 21 = 68120599 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68120603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25840 + ... + 28353.
It is an arithmetic number, because the mean of its divisors is an integer number (11380740).
Almost surely, 268120601 is an apocalyptic number.
It is an amenable number.
68120601 is a deficient number, since it is larger than the sum of its proper divisors (22925319).
68120601 is a wasteful number, since it uses less digits than its factorization.
68120601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54615.
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 68120601 is about 8253.5205215714. The cubic root of 68120601 is about 408.4066675267.
Adding to 68120601 its reverse (10602186), we get a palindrome (78722787).
The spelling of 68120601 in words is "sixty-eight million, one hundred twenty thousand, six hundred one".
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