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3288130217 = 25712794281
BaseRepresentation
bin1100001111111100…
…1110001010101001
322111011012022200122
43003333032022221
523213230131332
61302140013025
7144324434321
oct30377161251
98434168618
103288130217
111438077999
12779231175
134052b76a8
142329aa281
15143a0ac12
hexc3fce2a9

3288130217 has 4 divisors (see below), whose sum is σ = 3300924756. Its totient is φ = 3275335680.

The previous prime is 3288130193. The next prime is 3288130243. The reversal of 3288130217 is 7120318823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7120318823 = 11363011671.

It can be written as a sum of positive squares in 2 ways, for example, as 2271094336 + 1017035881 = 47656^2 + 31891^2 .

It is a cyclic number.

It is not a de Polignac number, because 3288130217 - 220 = 3287081641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3288130267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6396884 + ... + 6397397.

It is an arithmetic number, because the mean of its divisors is an integer number (825231189).

Almost surely, 23288130217 is an apocalyptic number.

It is an amenable number.

3288130217 is a deficient number, since it is larger than the sum of its proper divisors (12794539).

3288130217 is a wasteful number, since it uses less digits than its factorization.

3288130217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12794538.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 3288130217 is about 57342.2201959429. The cubic root of 3288130217 is about 1487.0183782867.

The spelling of 3288130217 in words is "three billion, two hundred eighty-eight million, one hundred thirty thousand, two hundred seventeen".

Divisors: 1 257 12794281 3288130217