Base | Representation |
---|---|
bin | 1000000111000… |
… | …11100101011011 |
3 | 11202000211202221 |
4 | 10003203211123 |
5 | 114404303201 |
6 | 10430204511 |
7 | 1454224261 |
oct | 403434533 |
9 | 152024687 |
10 | 68041051 |
11 | 35453281 |
12 | 1a953737 |
13 | 11133ca0 |
14 | 9072431 |
15 | 5e904a1 |
hex | 40e395b |
68041051 has 4 divisors (see below), whose sum is σ = 73274992. Its totient is φ = 62807112.
The previous prime is 68041027. The next prime is 68041067. The reversal of 68041051 is 15014086.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68041051 - 25 = 68041019 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68041651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2616951 + ... + 2616976.
It is an arithmetic number, because the mean of its divisors is an integer number (18318748).
Almost surely, 268041051 is an apocalyptic number.
68041051 is a deficient number, since it is larger than the sum of its proper divisors (5233941).
68041051 is a wasteful number, since it uses less digits than its factorization.
68041051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5233940.
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 68041051 is about 8248.6999581752. The cubic root of 68041051 is about 408.2476289748.
The spelling of 68041051 in words is "sixty-eight million, forty-one thousand, fifty-one".
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