| Base | Representation |
|---|---|
| bin | 111111110101111… |
| … | …111111101110000 |
| 3 | 2202122111112202000 |
| 4 | 333311333331300 |
| 5 | 4143201321430 |
| 6 | 254141454000 |
| 7 | 35354241351 |
| oct | 7765777560 |
| 9 | 2678445660 |
| 10 | 1071120240 |
| 11 | 4aa68a543 |
| 12 | 25a871300 |
| 13 | 140bab878 |
| 14 | a2381d28 |
| 15 | 6407de60 |
| hex | 3fd7ff70 |
1071120240 has 160 divisors (see below), whose sum is σ = 3740504640. Its totient is φ = 281677824.
The previous prime is 1071120209. The next prime is 1071120247. The reversal of 1071120240 is 420211701.
It is a super-2 number, since 2×10711202402 = 2294597137075315200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1071120247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154284 + ... + 161076.
It is an arithmetic number, because the mean of its divisors is an integer number (23378154).
Almost surely, 21071120240 is an apocalyptic number.
1071120240 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 1071120240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870252320).
1071120240 is an abundant number, since it is smaller than the sum of its proper divisors (2669384400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1071120240 is a wasteful number, since it uses less digits than its factorization.
1071120240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6888 (or 6876 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 18.
The square root of 1071120240 is about 32727.9733561368. The cubic root of 1071120240 is about 1023.1659417259.
Adding to 1071120240 its reverse (420211701), we get a palindrome (1491331941).
The spelling of 1071120240 in words is "one billion, seventy-one million, one hundred twenty thousand, two hundred forty".
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