Base | Representation |
---|---|
bin | 1000001010011… |
… | …00000000011111 |
3 | 11202211120111021 |
4 | 10011030000133 |
5 | 120012000032 |
6 | 10443305011 |
7 | 1460655253 |
oct | 405140037 |
9 | 152746437 |
10 | 68468767 |
11 | 35715664 |
12 | 1ab1b167 |
13 | 11253883 |
14 | 9144263 |
15 | 6027097 |
hex | 414c01f |
68468767 has 4 divisors (see below), whose sum is σ = 68485320. Its totient is φ = 68452216.
The previous prime is 68468731. The next prime is 68468783. The reversal of 68468767 is 76786486.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 68468767 - 211 = 68466719 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68468467) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3909 + ... + 12337.
It is an arithmetic number, because the mean of its divisors is an integer number (17121330).
Almost surely, 268468767 is an apocalyptic number.
68468767 is a deficient number, since it is larger than the sum of its proper divisors (16553).
68468767 is an equidigital number, since it uses as much as digits as its factorization.
68468767 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16552.
The product of its digits is 2709504, while the sum is 52.
The square root of 68468767 is about 8274.5856089595. The cubic root of 68468767 is about 409.1012775180.
The spelling of 68468767 in words is "sixty-eight million, four hundred sixty-eight thousand, seven hundred sixty-seven".
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