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27082297489 = 132126592
BaseRepresentation
bin11001001110001110…
…110001000010010001
32120220102010020222011
4121032032301002101
5420431032004424
620235203342521
71646060505352
oct311616610221
976812106864
1027082297489
1110538283a45
1252b9981a41
132727a66900
14144cb45d29
15a878de694
hex64e3b1091

27082297489 has 9 divisors (see below), whose sum is σ = 29328118203. Its totient is φ = 24997069032.

The previous prime is 27082297433. The next prime is 27082297507. The reversal of 27082297489 is 98479228072.

The square root of 27082297489 is 164567.

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., 4006257025 + 23076040464 = 63295^2 + 151908^2 .

It is not a de Polignac number, because 27082297489 - 211 = 27082295441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27082297789) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2133042 + ... + 2145700.

Almost surely, 227082297489 is an apocalyptic number.

27082297489 is the 164567-th square number.

27082297489 is the 82284-th centered octagonal number.

It is an amenable number.

27082297489 is a deficient number, since it is larger than the sum of its proper divisors (2245820714).

27082297489 is an frugal number, since it uses more digits than its factorization.

27082297489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25344 (or 12672 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 27082297489 in words is "twenty-seven billion, eighty-two million, two hundred ninety-seven thousand, four hundred eighty-nine".

Divisors: 1 13 169 12659 164567 2139371 160250281 2083253653 27082297489