| Base | Representation |
|---|---|
| bin | 1100111001100111001000… |
| … | …10101101001011110110000 |
| 3 | 10201102221020101211211200000 |
| 4 | 12130303210111221132300 |
| 5 | 12204234220443343320 |
| 6 | 140155552435230000 |
| 7 | 5655335255105022 |
| oct | 634634425513660 |
| 9 | 121387211754600 |
| 10 | 28367794902960 |
| 11 | 9047794748597 |
| 12 | 3221a51148300 |
| 13 | 12aa0c1356796 |
| 14 | 70101984c012 |
| 15 | 342da11e3c90 |
| hex | 19cce45697b0 |
28367794902960 has 720 divisors, whose sum is σ = 105609030901920. Its totient is φ = 7068147609600.
The previous prime is 28367794902911. The next prime is 28367794902961. The reversal of 28367794902960 is 6920949776382.
28367794902960 is a `hidden beast` number, since 2 + 8 + 3 + 6 + 7 + 79 + 490 + 2 + 9 + 60 = 666.
It is a tau number, because it is divible by the number of its divisors (720).
It is a Harshad number since it is a multiple of its sum of digits (72).
It is not an unprimeable number, because it can be changed into a prime (28367794902961) 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 143 ways as a sum of consecutive naturals, for example, 541747180 + ... + 541799540.
It is an arithmetic number, because the mean of its divisors is an integer number (146679209586).
Almost surely, 228367794902960 is an apocalyptic number.
28367794902960 is a gapful number since it is divisible by the number (20) 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 28367794902960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52804515450960).
28367794902960 is an abundant number, since it is smaller than the sum of its proper divisors (77241235998960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28367794902960 is a wasteful number, since it uses less digits than its factorization.
28367794902960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52480 (or 52431 counting only the distinct ones).
The product of its (nonzero) digits is 493807104, while the sum is 72.
The spelling of 28367794902960 in words is "twenty-eight trillion, three hundred sixty-seven billion, seven hundred ninety-four million, nine hundred two thousand, nine hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •