| Base | Representation |
|---|---|
| bin | 10000000000100011101… |
| … | …110011011010110101000 |
| 3 | 10220011120121221012110220 |
| 4 | 100000203232123112220 |
| 5 | 121011011404013000 |
| 6 | 2201214540410040 |
| 7 | 142323530135424 |
| oct | 20004356332650 |
| 9 | 3804517835426 |
| 10 | 1100111001000 |
| 11 | 394610a86760 |
| 12 | 159260b46920 |
| 13 | 7c980aa113b |
| 14 | 3b36211db84 |
| 15 | 1d93a5ca1a0 |
| hex | 10023b9b5a8 |
1100111001000 has 512 divisors, whose sum is σ = 3962308147200. Its totient is φ = 251320320000.
The previous prime is 1100111000977. The next prime is 1100111001007. The reversal of 1100111001000 is 1001110011.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a self number, because there is not a number n which added to its sum of digits gives 1100111001000.
It is not an unprimeable number, because it can be changed into a prime (1100111001007) 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 127 ways as a sum of consecutive naturals, for example, 121006455 + ... + 121015545.
It is an arithmetic number, because the mean of its divisors is an integer number (7738883100).
Almost surely, 21100111001000 is an apocalyptic number.
1100111001000 is a gapful number since it is divisible by the number (10) 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 1100111001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981154073600).
1100111001000 is an abundant number, since it is smaller than the sum of its proper divisors (2862197146200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1100111001000 is a wasteful number, since it uses less digits than its factorization.
1100111001000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9338 (or 9324 counting only the distinct ones).
The product of its (nonzero) digits is 1, while the sum is 6.
Adding to 1100111001000 its reverse (1001110011), we get a palindrome (1101112111011).
The spelling of 1100111001000 in words is "one trillion, one hundred billion, one hundred eleven million, one thousand".
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