Base | Representation |
---|---|
bin | 1000000111111… |
… | …00000000100010 |
3 | 11202012221000002 |
4 | 10003330000202 |
5 | 114421003330 |
6 | 10432300002 |
7 | 1455122033 |
oct | 403740042 |
9 | 152187002 |
10 | 68141090 |
11 | 35511456 |
12 | 1a9a1602 |
13 | 1116a694 |
14 | 909aa8a |
15 | 5eaee45 |
hex | 40fc022 |
68141090 has 16 divisors (see below), whose sum is σ = 122827320. Its totient is φ = 27217920.
The previous prime is 68141041. The next prime is 68141113. The reversal of 68141090 is 9014186.
It can be written as a sum of positive squares in 4 ways, for example, as 65983129 + 2157961 = 8123^2 + 1469^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260 + ... + 12120.
Almost surely, 268141090 is an apocalyptic number.
68141090 is a deficient number, since it is larger than the sum of its proper divisors (54686230).
68141090 is a wasteful number, since it uses less digits than its factorization.
68141090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9637.
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 68141090 is about 8254.7616561594. The cubic root of 68141090 is about 408.4476096464.
The spelling of 68141090 in words is "sixty-eight million, one hundred forty-one thousand, ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •