| Base | Representation |
|---|---|
| bin | 101010101110… |
| … | …010110011100 |
| 3 | 210002000101010 |
| 4 | 222232112130 |
| 5 | 10331344100 |
| 6 | 1040015220 |
| 7 | 164124525 |
| oct | 52562634 |
| 9 | 23060333 |
| 10 | 11199900 |
| 11 | 635a718 |
| 12 | 3901510 |
| 13 | 2421a7a |
| 14 | 16b784c |
| 15 | eb3750 |
| hex | aae59c |
11199900 has 72 divisors (see below), whose sum is σ = 33313840. Its totient is φ = 2903040.
The previous prime is 11199899. The next prime is 11199901. The reversal of 11199900 is 999111.
It is an interprime number because it is at equal distance from previous prime (11199899) and next prime (11199901).
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a zygodrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11199901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10596 + ... + 11604.
Almost surely, 211199900 is an apocalyptic number.
11199900 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 11199900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16656920).
11199900 is an abundant number, since it is smaller than the sum of its proper divisors (22113940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11199900 is a wasteful number, since it uses less digits than its factorization.
11199900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1063 (or 1056 counting only the distinct ones).
The product of its (nonzero) digits is 729, while the sum is 30.
The square root of 11199900 is about 3346.6251657453. The cubic root of 11199900 is about 223.7371225280.
It can be divided in two parts, 111 and 99900, that multiplied together give a square (11088900 = 33302).
The spelling of 11199900 in words is "eleven million, one hundred ninety-nine thousand, nine hundred".
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