Base | Representation |
---|---|
bin | 1000001100000… |
… | …00110100000111 |
3 | 11210020120012020 |
4 | 10012000310013 |
5 | 120040410223 |
6 | 10452054223 |
7 | 1462545666 |
oct | 406006407 |
9 | 153216166 |
10 | 68685063 |
11 | 35853117 |
12 | 1b004373 |
13 | 112cb165 |
14 | 919cddd |
15 | 606b1e3 |
hex | 4180d07 |
68685063 has 8 divisors (see below), whose sum is σ = 91636608. Its totient is φ = 45761784.
The previous prime is 68685047. The next prime is 68685091. The reversal of 68685063 is 36058686.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68685063 - 24 = 68685047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68685013) 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, 531 + ... + 11732.
It is an arithmetic number, because the mean of its divisors is an integer number (11454576).
Almost surely, 268685063 is an apocalyptic number.
68685063 is a deficient number, since it is larger than the sum of its proper divisors (22951545).
68685063 is a wasteful number, since it uses less digits than its factorization.
68685063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14133.
The product of its (nonzero) digits is 207360, while the sum is 42.
The square root of 68685063 is about 8287.6452023479. The cubic root of 68685063 is about 409.5316146329.
The spelling of 68685063 in words is "sixty-eight million, six hundred eighty-five thousand, sixty-three".
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