Base | Representation |
---|---|
bin | 1000000111101… |
… | …10100101000101 |
3 | 11202011210111111 |
4 | 10003312211011 |
5 | 114414300403 |
6 | 10432005021 |
7 | 1455000145 |
oct | 403664505 |
9 | 152153444 |
10 | 68118853 |
11 | 354a6780 |
12 | 1a990771 |
13 | 1116051a |
14 | 9092925 |
15 | 5ea856d |
hex | 40f6945 |
68118853 has 8 divisors (see below), whose sum is σ = 74432160. Its totient is φ = 61825680.
The previous prime is 68118851. The next prime is 68118859. The reversal of 68118853 is 35881186.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68118853 - 21 = 68118851 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68118851) 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, 2551 + ... + 11947.
It is an arithmetic number, because the mean of its divisors is an integer number (9304020).
Almost surely, 268118853 is an apocalyptic number.
It is an amenable number.
68118853 is a deficient number, since it is larger than the sum of its proper divisors (6313307).
68118853 is a wasteful number, since it uses less digits than its factorization.
68118853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10067.
The product of its digits is 46080, while the sum is 40.
The square root of 68118853 is about 8253.4146266863. The cubic root of 68118853 is about 408.4031742077.
The spelling of 68118853 in words is "sixty-eight million, one hundred eighteen thousand, eight hundred fifty-three".
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