Base | Representation |
---|---|
bin | 1000001101100… |
… | …00011011111010 |
3 | 11210121110202122 |
4 | 10012300123322 |
5 | 120113130442 |
6 | 10500201242 |
7 | 1464320453 |
oct | 406603372 |
9 | 153543678 |
10 | 68880122 |
11 | 35976723 |
12 | 1b099222 |
13 | 11368b8c |
14 | 921012a |
15 | 60a8dd2 |
hex | 41b06fa |
68880122 has 4 divisors (see below), whose sum is σ = 103320186. Its totient is φ = 34440060.
The previous prime is 68880121. The next prime is 68880127. The reversal of 68880122 is 22108886.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 46117681 + 22762441 = 6791^2 + 4771^2 .
It is not an unprimeable number, because it can be changed into a prime (68880121) 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 as a sum of consecutive naturals, namely, 17220029 + ... + 17220032.
Almost surely, 268880122 is an apocalyptic number.
68880122 is a deficient number, since it is larger than the sum of its proper divisors (34440064).
68880122 is a wasteful number, since it uses less digits than its factorization.
68880122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34440063.
The product of its (nonzero) digits is 12288, while the sum is 35.
The square root of 68880122 is about 8299.4049184264. The cubic root of 68880122 is about 409.9189250755.
The spelling of 68880122 in words is "sixty-eight million, eight hundred eighty thousand, one hundred twenty-two".
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