| Base | Representation |
|---|---|
| bin | 100001011000011… |
| … | …1000100110101100 |
| 3 | 2220001200112110100 |
| 4 | 1002300320212230 |
| 5 | 4243222023040 |
| 6 | 303051511100 |
| 7 | 36520533540 |
| oct | 10260704654 |
| 9 | 2801615410 |
| 10 | 1120111020 |
| 11 | 525300a96 |
| 12 | 273158490 |
| 13 | 14b0a27b2 |
| 14 | a8a95a20 |
| 15 | 68509b30 |
| hex | 42c389ac |
1120111020 has 144 divisors (see below), whose sum is σ = 3892412160. Its totient is φ = 255408768.
The previous prime is 1120111019. The next prime is 1120111033. The reversal of 1120111020 is 201110211.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 1120110993 and 1120111011.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 708591 + ... + 710169.
It is an arithmetic number, because the mean of its divisors is an integer number (27030640).
Almost surely, 21120111020 is an apocalyptic number.
1120111020 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 1120111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1946206080).
1120111020 is an abundant number, since it is smaller than the sum of its proper divisors (2772301140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1120111020 is a wasteful number, since it uses less digits than its factorization.
1120111020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2164 (or 2159 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
The square root of 1120111020 is about 33468.0596987635. The cubic root of 1120111020 is about 1038.5331329684.
Adding to 1120111020 its reverse (201110211), we get a palindrome (1321221231).
It can be divided in two parts, 1 and 120111020, that added together give a palindrome (120111021).
The spelling of 1120111020 in words is "one billion, one hundred twenty million, one hundred eleven thousand, twenty".
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