Base | Representation |
---|---|
bin | 1000000111101… |
… | …10000111001010 |
3 | 11202011200212120 |
4 | 10003312013022 |
5 | 114414220223 |
6 | 10431552110 |
7 | 1454661441 |
oct | 403660712 |
9 | 152150776 |
10 | 68116938 |
11 | 354a529a |
12 | 1a98b636 |
13 | 1115c6a6 |
14 | 9091d58 |
15 | 5ea7be3 |
hex | 40f61ca |
68116938 has 64 divisors (see below), whose sum is σ = 151925760. Its totient is φ = 20262528.
The previous prime is 68116913. The next prime is 68116973. The reversal of 68116938 is 83961186.
It is a self number, because there is not a number n which added to its sum of digits gives 68116938.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217470 + ... + 217782.
It is an arithmetic number, because the mean of its divisors is an integer number (2373840).
Almost surely, 268116938 is an apocalyptic number.
68116938 is an abundant number, since it is smaller than the sum of its proper divisors (83808822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68116938 is a wasteful number, since it uses less digits than its factorization.
68116938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 443.
The product of its digits is 62208, while the sum is 42.
The square root of 68116938 is about 8253.2986132818. The cubic root of 68116938 is about 408.3993470763.
The spelling of 68116938 in words is "sixty-eight million, one hundred sixteen thousand, nine hundred thirty-eight".
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