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80369415025 = 52314592
BaseRepresentation
bin100101011011001100…
…0111111001101110001
321200110002020022010221
41022312120333031301
52304044032240100
6100530551253041
75543425520224
oct1126630771561
9250402208127
1080369415025
11310a2492059
12136ab67a181
13776a8280a3
143c65c5b5bb
152155b4001a
hex12b663f371

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".

Divisors: 1 5 25 31 59 155 295 775 961 1475 1829 3481 4805 9145 17405 24025 29791 45725 56699 87025 107911 148955 283495 539555 744775 923521 1417475 1757669 2697775 3345241 4617605 8788345 16726205 23088025 43941725 54487739 83631025 103702471 272438695 518512355 1362193475 2592561775 3214776601 16073883005 80369415025