Base | Representation |
---|---|
bin | 100101011011001100… |
… | …0111111001101110001 |
3 | 21200110002020022010221 |
4 | 1022312120333031301 |
5 | 2304044032240100 |
6 | 100530551253041 |
7 | 5543425520224 |
oct | 1126630771561 |
9 | 250402208127 |
10 | 80369415025 |
11 | 310a2492059 |
12 | 136ab67a181 |
13 | 776a8280a3 |
14 | 3c65c5b5bb |
15 | 2155b4001a |
hex | 12b663f371 |
80369415025 has 45 divisors (see below), whose sum is σ = 104755014155. Its totient is φ = 61166881200.
The previous prime is 80369415019. The next prime is 80369415029. The reversal of 80369415025 is 52051496308.
The square root of 80369415025 is 283495.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 28932989409 + 51436425616 = 170097^2 + 226796^2 .
It is not a de Polignac number, because 80369415025 - 29 = 80369414513 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80369415029) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1362193446 + ... + 1362193504.
Almost surely, 280369415025 is an apocalyptic number.
80369415025 is the 283495-th square number.
80369415025 is the 141748-th centered octagonal number.
It is an amenable number.
80369415025 is a deficient number, since it is larger than the sum of its proper divisors (24385599130).
80369415025 is an frugal number, since it uses more digits than its factorization.
80369415025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252 (or 95 counting only the distinct ones).
The product of its (nonzero) digits is 259200, while the sum is 43.
The spelling of 80369415025 in words is "eighty billion, three hundred sixty-nine million, four hundred fifteen thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •