Base | Representation |
---|---|
bin | 101010110010011001010100… |
… | …110101111110000010011110 |
3 | 220200021221100211210202001212 |
4 | 222302121110311332002132 |
5 | 144131124413324301310 |
6 | 1504121114025104422 |
7 | 54431431410426134 |
oct | 5262312465760236 |
9 | 820257324722055 |
10 | 188181120540830 |
11 | 54a6218a74562a |
12 | 19132918628112 |
13 | 8100532706b61 |
14 | 346802c9a9754 |
15 | 16b5051e19205 |
hex | ab2654d7e09e |
188181120540830 has 32 divisors (see below), whose sum is σ = 339128439648768. Its totient is φ = 75183055956000.
The previous prime is 188181120540817. The next prime is 188181120540883. The reversal of 188181120540830 is 38045021181881.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40877135 + ... + 45247125.
It is an arithmetic number, because the mean of its divisors is an integer number (10597763739024).
Almost surely, 2188181120540830 is an apocalyptic number.
188181120540830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
188181120540830 is a deficient number, since it is larger than the sum of its proper divisors (150947319107938).
188181120540830 is a wasteful number, since it uses less digits than its factorization.
188181120540830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4375112.
The product of its (nonzero) digits is 491520, while the sum is 50.
The spelling of 188181120540830 in words is "one hundred eighty-eight trillion, one hundred eighty-one billion, one hundred twenty million, five hundred forty thousand, eight hundred thirty".
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