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300028082005 = 589674220409
BaseRepresentation
bin1000101110110110001…
…00010011011101010101
31001200102110202202000101
410113123010103131111
514403424142111010
6345455255014101
730450655422151
oct4273304233525
91050373682011
10300028082005
11106272037773
124a19296a331
13223a58b1892
1410742b72061
157c0eda973a
hex45db113755

300028082005 has 8 divisors (see below), whose sum is σ = 364079021400. Its totient is φ = 237325583616.

The previous prime is 300028081987. The next prime is 300028082009. The reversal of 300028082005 is 500280820003.

It can be written as a sum of positive squares in 4 ways, for example, as 15547249 + 300012534756 = 3943^2 + 547734^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 300028082005 - 235 = 265668343637 is a prime.

It is a super-3 number, since 3×3000280820053 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300028082009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337109760 + ... + 337110649.

It is an arithmetic number, because the mean of its divisors is an integer number (45509877675).

Almost surely, 2300028082005 is an apocalyptic number.

It is an amenable number.

300028082005 is a deficient number, since it is larger than the sum of its proper divisors (64050939395).

300028082005 is an equidigital number, since it uses as much as digits as its factorization.

300028082005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674220503.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 300028082005 in words is "three hundred billion, twenty-eight million, eighty-two thousand, five".

Divisors: 1 5 89 445 674220409 3371102045 60005616401 300028082005