Base | Representation |
---|---|
bin | 1000001000001… |
… | …11111110010010 |
3 | 11202022102020012 |
4 | 10010013332102 |
5 | 114424040343 |
6 | 10433314522 |
7 | 1455414644 |
oct | 404077622 |
9 | 152272205 |
10 | 68190098 |
11 | 35545259 |
12 | 1aa05a42 |
13 | 11186a92 |
14 | 90b0894 |
15 | 5ebe718 |
hex | 4107f92 |
68190098 has 8 divisors (see below), whose sum is σ = 102466620. Its totient is φ = 34034560.
The previous prime is 68190071. The next prime is 68190151. The reversal of 68190098 is 89009186.
It can be written as a sum of positive squares in 2 ways, for example, as 67947049 + 243049 = 8243^2 + 493^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28823 + ... + 31098.
Almost surely, 268190098 is an apocalyptic number.
68190098 is a deficient number, since it is larger than the sum of its proper divisors (34276522).
68190098 is a wasteful number, since it uses less digits than its factorization.
68190098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60492.
The product of its (nonzero) digits is 31104, while the sum is 41.
The square root of 68190098 is about 8257.7295911164. The cubic root of 68190098 is about 408.5455065419.
The spelling of 68190098 in words is "sixty-eight million, one hundred ninety thousand, ninety-eight".
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