Base | Representation |
---|---|
bin | 110010011111110110… |
… | …0010110001000110100 |
3 | 101100220120012121011201 |
4 | 1210333230112020310 |
5 | 3234042322201040 |
6 | 121452400542244 |
7 | 10556212232122 |
oct | 1447754261064 |
9 | 340816177151 |
10 | 108442772020 |
11 | 41a99132740 |
12 | 19025321984 |
13 | a2c29bb62b |
14 | 536a464912 |
15 | 2c4a546a9a |
hex | 193fb16234 |
108442772020 has 96 divisors (see below), whose sum is σ = 250597670400. Its totient is φ = 39090729600.
The previous prime is 108442771993. The next prime is 108442772029. The reversal of 108442772020 is 20277244801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108442772029) 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 31 ways as a sum of consecutive naturals, for example, 42047091 + ... + 42049669.
It is an arithmetic number, because the mean of its divisors is an integer number (2610392400).
Almost surely, 2108442772020 is an apocalyptic number.
108442772020 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 108442772020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125298835200).
108442772020 is an abundant number, since it is smaller than the sum of its proper divisors (142154898380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108442772020 is a wasteful number, since it uses less digits than its factorization.
108442772020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4189 (or 4187 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 37.
The spelling of 108442772020 in words is "one hundred eight billion, four hundred forty-two million, seven hundred seventy-two thousand, twenty".
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