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3000871997 = 5995009803
BaseRepresentation
bin1011001011011101…
…1010110000111101
321202010200002111022
42302313122300331
522121210400442
61213435033525
7134235663644
oct26267326075
97663602438
103000871997
1112aaa06602
126b8b9b8a5
1338a92b406
1420679235b
151286b73d2
hexb2ddac3d

3000871997 has 4 divisors (see below), whose sum is σ = 3005882400. Its totient is φ = 2995861596.

The previous prime is 3000871981. The next prime is 3000871999. The reversal of 3000871997 is 7991780003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7991780003 = 43118542413.

It is a cyclic number.

It is not a de Polignac number, because 3000871997 - 24 = 3000871981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000871999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504303 + ... + 2505500.

It is an arithmetic number, because the mean of its divisors is an integer number (751470600).

Almost surely, 23000871997 is an apocalyptic number.

It is an amenable number.

3000871997 is a deficient number, since it is larger than the sum of its proper divisors (5010403).

3000871997 is an equidigital number, since it uses as much as digits as its factorization.

3000871997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010402.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 3000871997 is about 54780.2153792772. The cubic root of 3000871997 is about 1442.3892942482.

The spelling of 3000871997 in words is "three billion, eight hundred seventy-one thousand, nine hundred ninety-seven".

Divisors: 1 599 5009803 3000871997