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3000130921 is a prime number
BaseRepresentation
bin1011001011010010…
…0101110101101001
321202002021102221001
42302310211311221
522121013142141
61213411115001
7134226456244
oct26264456551
97662242831
103000130921
1112aa54a847
126b88a2a61
1338a72bcc8
1420663c25b
151285bca31
hexb2d25d69

3000130921 has 2 divisors, whose sum is σ = 3000130922. Its totient is φ = 3000130920.

The previous prime is 3000130919. The next prime is 3000130937. The reversal of 3000130921 is 1290310003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2625127696 + 375003225 = 51236^2 + 19365^2 .

It is a cyclic number.

It is not a de Polignac number, because 3000130921 - 21 = 3000130919 is a prime.

Together with 3000130919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3000130901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500065460 + 1500065461.

It is an arithmetic number, because the mean of its divisors is an integer number (1500065461).

Almost surely, 23000130921 is an apocalyptic number.

It is an amenable number.

3000130921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3000130921 is an equidigital number, since it uses as much as digits as its factorization.

3000130921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 3000130921 is about 54773.4508772270. The cubic root of 3000130921 is about 1442.2705500862.

Adding to 3000130921 its reverse (1290310003), we get a palindrome (4290440924).

The spelling of 3000130921 in words is "three billion, one hundred thirty thousand, nine hundred twenty-one".