Base | Representation |
---|---|
bin | 100000110100001… |
… | …1010001100111000 |
3 | 2211201221021212101 |
4 | 1001220122030320 |
5 | 4223341041440 |
6 | 301132353144 |
7 | 36200204263 |
oct | 10150321470 |
9 | 2751837771 |
10 | 1101112120 |
11 | 515604919 |
12 | 2689157b4 |
13 | 14717cc44 |
14 | a634bcda |
15 | 66a0569a |
hex | 41a1a338 |
1101112120 has 32 divisors (see below), whose sum is σ = 2585221920. Its totient is φ = 421294720.
The previous prime is 1101112109. The next prime is 1101112123. The reversal of 1101112120 is 212111011.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 1101112097 and 1101112106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1101112123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597511 + ... + 599350.
It is an arithmetic number, because the mean of its divisors is an integer number (80788185).
Almost surely, 21101112120 is an apocalyptic number.
1101112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1101112120 is an abundant number, since it is smaller than the sum of its proper divisors (1484109800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1101112120 is a wasteful number, since it uses less digits than its factorization.
1101112120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1196895 (or 1196891 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 10.
The square root of 1101112120 is about 33183.0095078792. The cubic root of 1101112120 is about 1032.6278829381.
Adding to 1101112120 its reverse (212111011), we get a palindrome (1313223131).
The spelling of 1101112120 in words is "one billion, one hundred one million, one hundred twelve thousand, one hundred twenty".
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