Base | Representation |
---|---|
bin | 100101011100001111… |
… | …1111110010000001101 |
3 | 21200112112211001221000 |
4 | 1022320133332100031 |
5 | 2304132112104100 |
6 | 100534253530513 |
7 | 5544335346030 |
oct | 1127037762015 |
9 | 250475731830 |
10 | 80404800525 |
11 | 31110460775 |
12 | 136bb4a3a39 |
13 | 7774c6745a |
14 | 3c6a82d017 |
15 | 2158cce900 |
hex | 12b87fe40d |
80404800525 has 192 divisors, whose sum is σ = 171589017600. Its totient is φ = 36155496960.
The previous prime is 80404800521. The next prime is 80404800587. The reversal of 80404800525 is 52500840408.
It is not a de Polignac number, because 80404800525 - 22 = 80404800521 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80404800525.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80404800521) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 110597712 + ... + 110598438.
It is an arithmetic number, because the mean of its divisors is an integer number (893692800).
Almost surely, 280404800525 is an apocalyptic number.
It is an amenable number.
80404800525 is an abundant number, since it is smaller than the sum of its proper divisors (91184217075).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80404800525 is a wasteful number, since it uses less digits than its factorization.
80404800525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1105 (or 1094 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 36.
The spelling of 80404800525 in words is "eighty billion, four hundred four million, eight hundred thousand, five hundred twenty-five".
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