Base | Representation |
---|---|
bin | 1000001011000… |
… | …11101001100001 |
3 | 11210000111022201 |
4 | 10011203221201 |
5 | 120023044401 |
6 | 10445333201 |
7 | 1461540466 |
oct | 405435141 |
9 | 153014281 |
10 | 68565601 |
11 | 35781395 |
12 | 1ab67201 |
13 | 11288980 |
14 | 916b66d |
15 | 6045b01 |
hex | 4163a61 |
68565601 has 8 divisors (see below), whose sum is σ = 74775680. Its totient is φ = 62489232.
The previous prime is 68565593. The next prime is 68565613. The reversal of 68565601 is 10656586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68565601 - 23 = 68565593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68565631) 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, 32355 + ... + 34408.
It is an arithmetic number, because the mean of its divisors is an integer number (9346960).
Almost surely, 268565601 is an apocalyptic number.
It is an amenable number.
68565601 is a deficient number, since it is larger than the sum of its proper divisors (6210079).
68565601 is a wasteful number, since it uses less digits than its factorization.
68565601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66855.
The product of its (nonzero) digits is 43200, while the sum is 37.
The square root of 68565601 is about 8280.4348315774. The cubic root of 68565601 is about 409.2940479055.
The spelling of 68565601 in words is "sixty-eight million, five hundred sixty-five thousand, six hundred one".
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