| Base | Representation |
|---|---|
| bin | 1100001100000000100111… |
| … | …11001100011100010100000 |
| 3 | 10111220010212212200121120000 |
| 4 | 12012000103321203202200 |
| 5 | 12003101301011010140 |
| 6 | 133000102134020000 |
| 7 | 5434206011243430 |
| oct | 606002371434240 |
| 9 | 114803785617500 |
| 10 | 26800929781920 |
| 11 | 85a3235188098 |
| 12 | 300a2491a7600 |
| 13 | 11c54171134c8 |
| 14 | 689259a822c0 |
| 15 | 317248a71a30 |
| hex | 186013e638a0 |
26800929781920 has 1440 divisors, whose sum is σ = 118024018358400. Its totient is φ = 5603190018048.
The previous prime is 26800929781903. The next prime is 26800929781921. The reversal of 26800929781920 is 2918792900862.
It is a happy number.
26800929781920 is a `hidden beast` number, since 268 + 0 + 0 + 9 + 297 + 81 + 9 + 2 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (1440).
It is a Harshad number since it is a multiple of its sum of digits (63).
It is not an unprimeable number, because it can be changed into a prime (26800929781921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 949733571 + ... + 949761789.
It is an arithmetic number, because the mean of its divisors is an integer number (81961123860).
Almost surely, 226800929781920 is an apocalyptic number.
26800929781920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26800929781920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59012009179200).
26800929781920 is an abundant number, since it is smaller than the sum of its proper divisors (91223088576480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26800929781920 is a wasteful number, since it uses less digits than its factorization.
26800929781920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28320 (or 28284 counting only the distinct ones).
The product of its (nonzero) digits is 15676416, while the sum is 63.
The spelling of 26800929781920 in words is "twenty-six trillion, eight hundred billion, nine hundred twenty-nine million, seven hundred eighty-one thousand, nine hundred twenty".
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