Base | Representation |
---|---|
bin | 1000001100001… |
… | …00011000110001 |
3 | 11210021022021020 |
4 | 10012010120301 |
5 | 120041342242 |
6 | 10452250053 |
7 | 1462636443 |
oct | 406043061 |
9 | 153238236 |
10 | 68699697 |
11 | 35863110 |
12 | 1b010929 |
13 | 11304a11 |
14 | 91a4493 |
15 | 60706ec |
hex | 4184631 |
68699697 has 8 divisors (see below), whose sum is σ = 99926880. Its totient is φ = 41636160.
The previous prime is 68699693. The next prime is 68699707. The reversal of 68699697 is 79699686.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68699697 - 22 = 68699693 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68699697.
It is not an unprimeable number, because it can be changed into a prime (68699693) 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, 1040872 + ... + 1040937.
It is an arithmetic number, because the mean of its divisors is an integer number (12490860).
Almost surely, 268699697 is an apocalyptic number.
It is an amenable number.
68699697 is a deficient number, since it is larger than the sum of its proper divisors (31227183).
68699697 is a wasteful number, since it uses less digits than its factorization.
68699697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2081823.
The product of its digits is 8817984, while the sum is 60.
The square root of 68699697 is about 8288.5280357854. The cubic root of 68699697 is about 409.5606974243.
It can be divided in two parts, 68699 and 697, that added together give a palindrome (69396).
The spelling of 68699697 in words is "sixty-eight million, six hundred ninety-nine thousand, six hundred ninety-seven".
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