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80250899513 = 292767272397
BaseRepresentation
bin100101010111101010…
…0111000110000111001
321200010211020002102112
41022233110320300321
52303323212241023
6100511115142105
75540456251031
oct1125724706071
9250124202375
1080250899513
11310415a4654
1213677a44935
13774c100a75
143c5420a8c1
15214a52e478
hex12af538c39

80250899513 has 4 divisors (see below), whose sum is σ = 83018171940. Its totient is φ = 77483627088.

The previous prime is 80250899501. The next prime is 80250899563. The reversal of 80250899513 is 31599805208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25575365929 + 54675533584 = 159923^2 + 233828^2 .

It is a cyclic number.

It is not a de Polignac number, because 80250899513 - 24 = 80250899497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80250899563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383636170 + ... + 1383636227.

It is an arithmetic number, because the mean of its divisors is an integer number (20754542985).

Almost surely, 280250899513 is an apocalyptic number.

It is an amenable number.

80250899513 is a deficient number, since it is larger than the sum of its proper divisors (2767272427).

80250899513 is a wasteful number, since it uses less digits than its factorization.

80250899513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767272426.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 80250899513 in words is "eighty billion, two hundred fifty million, eight hundred ninety-nine thousand, five hundred thirteen".

Divisors: 1 29 2767272397 80250899513