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2195796609 = 322111156291
BaseRepresentation
bin1000001011100001…
…0011001010000001
312200000210000200100
42002320103022001
513444110442414
61001515313013
7105261651246
oct20270231201
95600700610
102195796609
11a27519546
1251344b769
1328cbbc346
1416b8a55cd
15ccb8b609
hex82e13281

2195796609 has 12 divisors (see below), whose sum is σ = 3186740752. Its totient is φ = 1456925400.

The previous prime is 2195796601. The next prime is 2195796641. The reversal of 2195796609 is 9066975912.

2195796609 is a `hidden beast` number, since 2 + 1 + 9 + 579 + 6 + 60 + 9 = 666.

It is not a de Polignac number, because 2195796609 - 23 = 2195796601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195796601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576247 + ... + 580044.

Almost surely, 22195796609 is an apocalyptic number.

It is an amenable number.

2195796609 is a deficient number, since it is larger than the sum of its proper divisors (990944143).

2195796609 is a wasteful number, since it uses less digits than its factorization.

2195796609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156508 (or 1156505 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 2195796609 is about 46859.3278761017. The cubic root of 2195796609 is about 1299.7626014234.

The spelling of 2195796609 in words is "two billion, one hundred ninety-five million, seven hundred ninety-six thousand, six hundred nine".

Divisors: 1 3 9 211 633 1899 1156291 3468873 10406619 243977401 731932203 2195796609