Base | Representation |
---|---|
bin | 1010000001000111101010… |
… | …10111001010000000000000 |
3 | 2212222220221120221121000000 |
4 | 11000203311113022000000 |
5 | 10341404243422011310 |
6 | 114503503224000000 |
7 | 4432343640113040 |
oct | 500436527120000 |
9 | 85886846847000 |
10 | 22028708782080 |
11 | 7023360902800 |
12 | 257938a000000 |
13 | c3a3b555b610 |
14 | 5622a387d720 |
15 | 28303d4344c0 |
hex | 1408f55ca000 |
22028708782080 has 4704 divisors, whose sum is σ = 108828694622592. Its totient is φ = 4162222817280.
The previous prime is 22028708782043. The next prime is 22028708782109. The reversal of 22028708782080 is 8028780782022.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 328786698207 + ... + 328786698273.
It is an arithmetic number, because the mean of its divisors is an integer number (23135351748).
Almost surely, 222028708782080 is an apocalyptic number.
22028708782080 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 22028708782080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54414347311296).
22028708782080 is an abundant number, since it is smaller than the sum of its proper divisors (86799985840512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22028708782080 is an equidigital number, since it uses as much as digits as its factorization.
22028708782080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158 (or 108 counting only the distinct ones).
The product of its (nonzero) digits is 3211264, while the sum is 54.
The spelling of 22028708782080 in words is "twenty-two trillion, twenty-eight billion, seven hundred eight million, seven hundred eighty-two thousand, eighty".
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