| Base | Representation |
|---|---|
| bin | 1101001010110110001011… |
| … | …00101000110001000000000 |
| 3 | 10210112112210002202110201000 |
| 4 | 12211123011211012020000 |
| 5 | 12243440021443024400 |
| 6 | 141332011054212000 |
| 7 | 6046201260236550 |
| oct | 645330545061000 |
| 9 | 123475702673630 |
| 10 | 28959984345600 |
| 11 | 92559511a5800 |
| 12 | 32b87801b4000 |
| 13 | 1320bb7a9c9c9 |
| 14 | 72195665d160 |
| 15 | 3534b04d7600 |
| hex | 1a56c5946200 |
28959984345600 has 5760 divisors, whose sum is σ = 145120311705600. Its totient is φ = 5518098432000.
The previous prime is 28959984345583. The next prime is 28959984345601. The reversal of 28959984345600 is 654348995982.
28959984345600 is a `hidden beast` number, since 2 + 8 + 9 + 5 + 9 + 9 + 8 + 4 + 3 + 4 + 5 + 600 = 666.
It is a tau number, because it is divible by the number of its divisors (5760).
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 (28959984345601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 228031372737 + ... + 228031372863.
It is an arithmetic number, because the mean of its divisors is an integer number (25194498560).
Almost surely, 228959984345600 is an apocalyptic number.
28959984345600 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 28959984345600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72560155852800).
28959984345600 is an abundant number, since it is smaller than the sum of its proper divisors (116160327360000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28959984345600 is a wasteful number, since it uses less digits than its factorization.
28959984345600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253 (or 215 counting only the distinct ones).
The product of its (nonzero) digits is 671846400, while the sum is 72.
The spelling of 28959984345600 in words is "twenty-eight trillion, nine hundred fifty-nine billion, nine hundred eighty-four million, three hundred forty-five thousand, six hundred".
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