Base | Representation |
---|---|
bin | 111000111000000110… |
… | …0111101110001110010 |
3 | 102200021020211200002200 |
4 | 1301300030331301302 |
5 | 4000121213000000 |
6 | 132035552524030 |
7 | 11552531612514 |
oct | 1616014756162 |
9 | 380236750080 |
10 | 122141531250 |
11 | 4788878a262 |
12 | 1b808b50616 |
13 | b696a86a1b |
14 | 5ca9923bb4 |
15 | 329cec3500 |
hex | 1c7033dc72 |
122141531250 has 126 divisors (see below), whose sum is σ = 331298474169. Its totient is φ = 32521650000.
The previous prime is 122141531219. The next prime is 122141531341. The reversal of 122141531250 is 52135141221.
It is a happy number.
122141531250 is a `hidden beast` number, since 1 + 221 + 415 + 3 + 1 + 25 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 20828551041 + 101312980209 = 144321^2 + 318297^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=247125.
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 62 ways as a sum of consecutive naturals, for example, 185343421 + ... + 185344079.
Almost surely, 2122141531250 is an apocalyptic number.
122141531250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 122141531250
122141531250 is an abundant number, since it is smaller than the sum of its proper divisors (209156942919).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122141531250 is an frugal number, since it uses more digits than its factorization.
122141531250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1356 (or 669 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
Adding to 122141531250 its reverse (52135141221), we get a palindrome (174276672471).
The spelling of 122141531250 in words is "one hundred twenty-two billion, one hundred forty-one million, five hundred thirty-one thousand, two hundred fifty".
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