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8297332099081 = 28805092
BaseRepresentation
bin111100010111101111110…
…0010000100100000001001
31002101012212100012000120021
41320233133202010200021
52041420414004132311
625351424114500441
71514314424106034
oct170573742044011
932335770160507
108297332099081
112709973728043
12b200b3894721
13482586a9786c
1420984334601b
15e5c752d0171
hex78bdf884809

8297332099081 has 3 divisors (see below), whose sum is σ = 8297334979591. Its totient is φ = 8297329218572.

The previous prime is 8297332099009. The next prime is 8297332099093. The reversal of 8297332099081 is 1809902337928.

The square root of 8297332099081 is 2880509.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 626537154681 + 7670794944400 = 791541^2 + 2769620^2 .

It is not a de Polignac number, because 8297332099081 - 213 = 8297332090889 is a prime.

It is a super-2 number, since 2×82973320990812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8297332099181) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1440255 + ... + 4320763.

Almost surely, 28297332099081 is an apocalyptic number.

8297332099081 is the 2880509-th square number.

8297332099081 is the 1440255-th centered octagonal number.

It is an amenable number.

8297332099081 is a deficient number, since it is larger than the sum of its proper divisors (2880510).

8297332099081 is an frugal number, since it uses more digits than its factorization.

8297332099081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761018 (or 2880509 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 8297332099081 in words is "eight trillion, two hundred ninety-seven billion, three hundred thirty-two million, ninety-nine thousand, eighty-one".

Divisors: 1 2880509 8297332099081