Base | Representation |
---|---|
bin | 100101100011011000… |
… | …0101001010101001100 |
3 | 21201011020000022122212 |
4 | 1023012300221111030 |
5 | 2310124334133200 |
6 | 101014121525552 |
7 | 5553302064050 |
oct | 1130660512514 |
9 | 251136008585 |
10 | 80644052300 |
11 | 31223513109 |
12 | 137676438b8 |
13 | 77b26b5856 |
14 | 3c9050bc60 |
15 | 216ecde035 |
hex | 12c6c2954c |
80644052300 has 144 divisors (see below), whose sum is σ = 205238197248. Its totient is φ = 26930534400.
The previous prime is 80644052287. The next prime is 80644052303. The reversal of 80644052300 is 325044608.
It is not an unprimeable number, because it can be changed into a prime (80644052303) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6936092 + ... + 6947708.
Almost surely, 280644052300 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80644052300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102619098624).
80644052300 is an abundant number, since it is smaller than the sum of its proper divisors (124594144948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80644052300 is a wasteful number, since it uses less digits than its factorization.
80644052300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11896 (or 11889 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 32.
Adding to 80644052300 its reverse (325044608), we get a palindrome (80969096908).
The spelling of 80644052300 in words is "eighty billion, six hundred forty-four million, fifty-two thousand, three hundred".
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