Base | Representation |
---|---|
bin | 1000001111010… |
… | …10000100001000 |
3 | 11211001110120002 |
4 | 10013222010020 |
5 | 120143204133 |
6 | 10505222132 |
7 | 1466322602 |
oct | 407520410 |
9 | 154043502 |
10 | 69116168 |
11 | 36018000 |
12 | 1b191948 |
13 | 1141c454 |
14 | 9272172 |
15 | 6103ce8 |
hex | 41ea108 |
69116168 has 32 divisors (see below), whose sum is σ = 142564320. Its totient is φ = 31411600.
The previous prime is 69116161. The next prime is 69116189. The reversal of 69116168 is 86161196.
It is not an unprimeable number, because it can be changed into a prime (69116161) 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, 7403 + ... + 13893.
It is an arithmetic number, because the mean of its divisors is an integer number (4455135).
Almost surely, 269116168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69116168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71282160).
69116168 is an abundant number, since it is smaller than the sum of its proper divisors (73448152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69116168 is a wasteful number, since it uses less digits than its factorization.
69116168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6530 (or 6504 counting only the distinct ones).
The product of its digits is 15552, while the sum is 38.
The square root of 69116168 is about 8313.6134141539. The cubic root of 69116168 is about 410.3866430023.
The spelling of 69116168 in words is "sixty-nine million, one hundred sixteen thousand, one hundred sixty-eight".
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