| Base | Representation |
|---|---|
| bin | 11101101110011110010… |
| … | …10010010001110000000 |
| 3 | 10121122100220222200102000 |
| 4 | 32313033022102032000 |
| 5 | 113213243001011203 |
| 6 | 2101114454424000 |
| 7 | 133535550541110 |
| oct | 16671712221600 |
| 9 | 3548326880360 |
| 10 | 1021382828928 |
| 11 | 364190a85840 |
| 12 | 145b4b062000 |
| 13 | 754152bc337 |
| 14 | 37614251040 |
| 15 | 1b87dad44a3 |
| hex | edcf292380 |
1021382828928 has 1024 divisors, whose sum is σ = 3843508838400. Its totient is φ = 259360358400.
The previous prime is 1021382828923. The next prime is 1021382828941. The reversal of 1021382828928 is 8298282831201.
1021382828928 is a `hidden beast` number, since 102 + 1 + 382 + 82 + 89 + 2 + 8 = 666.
It is a super-2 number, since 2×10213828289282 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1021382828923) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2893435600 + ... + 2893435952.
It is an arithmetic number, because the mean of its divisors is an integer number (3753426600).
Almost surely, 21021382828928 is an apocalyptic number.
1021382828928 is a gapful number since it is divisible by the number (18) 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 1021382828928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1921754419200).
1021382828928 is an abundant number, since it is smaller than the sum of its proper divisors (2822126009472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1021382828928 is a wasteful number, since it uses less digits than its factorization.
1021382828928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 608 (or 590 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 54.
The spelling of 1021382828928 in words is "one trillion, twenty-one billion, three hundred eighty-two million, eight hundred twenty-eight thousand, nine hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •