| Base | Representation |
|---|---|
| bin | 10011010101000001000… |
| … | …011001001001010000000 |
| 3 | 11200222102001210221020000 |
| 4 | 103111001003021022000 |
| 5 | 133230211434044230 |
| 6 | 2454103332120000 |
| 7 | 164650634510340 |
| oct | 23250103111200 |
| 9 | 4628361727200 |
| 10 | 1328236237440 |
| 11 | 472335802312 |
| 12 | 195507766000 |
| 13 | 98337c49548 |
| 14 | 48403670d20 |
| 15 | 2483cca2b60 |
| hex | 135410c9280 |
1328236237440 has 1280 divisors, whose sum is σ = 5678094090240. Its totient is φ = 289491148800.
The previous prime is 1328236237417. The next prime is 1328236237441. The reversal of 1328236237440 is 447326328231.
1328236237440 is a `hidden beast` number, since 1 + 3 + 2 + 8 + 236 + 2 + 374 + 40 = 666.
It is a hoax number, since the sum of its digits (45) 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 (45).
It is not an unprimeable number, because it can be changed into a prime (1328236237441) 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 159 ways as a sum of consecutive naturals, for example, 798698049 + ... + 798699711.
It is an arithmetic number, because the mean of its divisors is an integer number (4436011008).
Almost surely, 21328236237440 is an apocalyptic number.
1328236237440 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 1328236237440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2839047045120).
1328236237440 is an abundant number, since it is smaller than the sum of its proper divisors (4349857852800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1328236237440 is a wasteful number, since it uses less digits than its factorization.
1328236237440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1803 (or 1782 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 45.
The spelling of 1328236237440 in words is "one trillion, three hundred twenty-eight billion, two hundred thirty-six million, two hundred thirty-seven thousand, four hundred forty".
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