Base | Representation |
---|---|
bin | 100101011101001000… |
… | …1001110001100100100 |
3 | 21200121121200100121211 |
4 | 1022322101032030210 |
5 | 2304212212104400 |
6 | 100541234121204 |
7 | 5545145603521 |
oct | 1127221161444 |
9 | 250547610554 |
10 | 80434488100 |
11 | 3112619845a |
12 | 13709420204 |
13 | 777b160175 |
14 | 3c7075a148 |
15 | 215b6e5dba |
hex | 12ba44e324 |
80434488100 has 18 divisors (see below), whose sum is σ = 174542839394. Its totient is φ = 32173795200.
The previous prime is 80434488061. The next prime is 80434488137. The reversal of 80434488100 is 188443408.
It can be written as a sum of positive squares in 3 ways, for example, as 7702870756 + 72731617344 = 87766^2 + 269688^2 .
It is a super-2 number, since 2×804344881002 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 402172341 + ... + 402172540.
Almost surely, 280434488100 is an apocalyptic number.
It is an amenable number.
80434488100 is an abundant number, since it is smaller than the sum of its proper divisors (94108351294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80434488100 is a wasteful number, since it uses less digits than its factorization.
80434488100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 804344895 (or 804344888 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 40.
The spelling of 80434488100 in words is "eighty billion, four hundred thirty-four million, four hundred eighty-eight thousand, one hundred".
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