Base | Representation |
---|---|
bin | 1111011100011001110… |
… | …01010001001000000000 |
3 | 1212201200112210211221010 |
4 | 13232030321101020000 |
5 | 32143230032100000 |
6 | 1043435211400520 |
7 | 53223605243520 |
oct | 7561471211000 |
9 | 1781615724833 |
10 | 530644800000 |
11 | 195055179297 |
12 | 86a13a53140 |
13 | 3b068c96023 |
14 | 1b97d157680 |
15 | dc0b178d50 |
hex | 7b8ce51200 |
530644800000 has 960 divisors, whose sum is σ = 2140490499840. Its totient is φ = 114032640000.
The previous prime is 530644799957. The next prime is 530644800001. The reversal of 530644800000 is 8446035.
It is a tau number, because it is divible by the number of its divisors (960).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (530644800001) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 571199536 + ... + 571200464.
It is an arithmetic number, because the mean of its divisors is an integer number (2229677604).
Almost surely, 2530644800000 is an apocalyptic number.
530644800000 is a gapful number since it is divisible by the number (50) 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 530644800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070245249920).
530644800000 is an abundant number, since it is smaller than the sum of its proper divisors (1609845699840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
530644800000 is an frugal number, since it uses more digits than its factorization.
530644800000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 999 (or 963 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
The spelling of 530644800000 in words is "five hundred thirty billion, six hundred forty-four million, eight hundred thousand".
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