Base | Representation |
---|---|
bin | 111111100000110011… |
… | …001100111011000100 |
3 | 20112000200212011122112 |
4 | 333200303030323010 |
5 | 2104131140344400 |
6 | 51155005320152 |
7 | 4632650450234 |
oct | 774063147304 |
9 | 215020764575 |
10 | 68196028100 |
11 | 26a15975302 |
12 | 11272866058 |
13 | 657a796765 |
14 | 342d1c7cc4 |
15 | 1b92070835 |
hex | fe0cccec4 |
68196028100 has 36 divisors (see below), whose sum is σ = 154419533184. Its totient is φ = 26092392480.
The previous prime is 68196028051. The next prime is 68196028127. The reversal of 68196028100 is 182069186.
It is a super-2 number, since 2×681960281002 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14822924 + ... + 14827523.
Almost surely, 268196028100 is an apocalyptic number.
It is an amenable number.
68196028100 is an abundant number, since it is smaller than the sum of its proper divisors (86223505084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68196028100 is a wasteful number, since it uses less digits than its factorization.
68196028100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29650484 (or 29650477 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 41.
The spelling of 68196028100 in words is "sixty-eight billion, one hundred ninety-six million, twenty-eight thousand, one hundred".
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