| Base | Representation |
|---|---|
| bin | 1111100001011111010… |
| … | …1111111000000000000 |
| 3 | 221111100221112002111100 |
| 4 | 3320113311333000000 |
| 5 | 13332134112000000 |
| 6 | 322303105214400 |
| 7 | 25160530411662 |
| oct | 3702765770000 |
| 9 | 844327462440 |
| 10 | 266688000000 |
| 11 | a3113472694 |
| 12 | 43829331400 |
| 13 | 1c1c15424c6 |
| 14 | cc9ccb6532 |
| 15 | 6e0ce11a00 |
| hex | 3e17d7f000 |
266688000000 has 546 divisors, whose sum is σ = 964989835472. Its totient is φ = 70963200000.
The previous prime is 266687999989. The next prime is 266688000011. The reversal of 266688000000 is 886662.
266688000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (266687999989) and next prime (266688000011).
It is a super-2 number, since 2×2666880000002 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
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 41 ways as a sum of consecutive naturals, for example, 575999769 + ... + 576000231.
Almost surely, 2266688000000 is an apocalyptic number.
266688000000 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 266688000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482494917736).
266688000000 is an abundant number, since it is smaller than the sum of its proper divisors (698301835472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
266688000000 is an frugal number, since it uses more digits than its factorization.
266688000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 523 (or 473 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
Adding to 266688000000 its reverse (886662), we get a palindrome (266688886662).
The spelling of 266688000000 in words is "two hundred sixty-six billion, six hundred eighty-eight million", and thus it is an aban number.
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