Base | Representation |
---|---|
bin | 1000000111111… |
… | …00101111100100 |
3 | 11202020002010120 |
4 | 10003330233210 |
5 | 114421102400 |
6 | 10432321540 |
7 | 1455133563 |
oct | 403745744 |
9 | 152202116 |
10 | 68144100 |
11 | 35513742 |
12 | 1a9a32b0 |
13 | 1116bb6b |
14 | 909bbda |
15 | 5eb0ca0 |
hex | 40fcbe4 |
68144100 has 36 divisors (see below), whose sum is σ = 197164464. Its totient is φ = 18171680.
The previous prime is 68144099. The next prime is 68144161. The reversal of 68144100 is 144186.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113274 + ... + 113873.
Almost surely, 268144100 is an apocalyptic number.
68144100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68144100 is an abundant number, since it is smaller than the sum of its proper divisors (129020364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68144100 is a wasteful number, since it uses less digits than its factorization.
68144100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227164 (or 227157 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 68144100 is about 8254.9439731594. The cubic root of 68144100 is about 408.4536236839.
Adding to 68144100 its reverse (144186), we get a palindrome (68288286).
The spelling of 68144100 in words is "sixty-eight million, one hundred forty-four thousand, one hundred".
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