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3000211121 = 41531380677
BaseRepresentation
bin1011001011010011…
…1001011010110001
321202002102111221102
42302310321122301
522121023223441
61213412534145
7134230242125
oct26264713261
97662374842
103000211121
1112aa5a5026
126b8921355
1338a75966b
1420665d585
151285d669b
hexb2d396b1

3000211121 has 8 divisors (see below), whose sum is σ = 3131377704. Its totient is φ = 2871806080.

The previous prime is 3000211063. The next prime is 3000211139. The reversal of 3000211121 is 1211120003.

It can be written as a sum of positive squares in 4 ways, for example, as 890186896 + 2110024225 = 29836^2 + 45935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3000211121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3000211171) 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 in 7 ways as a sum of consecutive naturals, for example, 688166 + ... + 692511.

It is an arithmetic number, because the mean of its divisors is an integer number (391422213).

Almost surely, 23000211121 is an apocalyptic number.

It is an amenable number.

3000211121 is a deficient number, since it is larger than the sum of its proper divisors (131166583).

3000211121 is a wasteful number, since it uses less digits than its factorization.

3000211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380771.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 3000211121 is about 54774.1829788451. The cubic root of 3000211121 is about 1442.2834016440.

Adding to 3000211121 its reverse (1211120003), we get a palindrome (4211331124).

The spelling of 3000211121 in words is "three billion, two hundred eleven thousand, one hundred twenty-one".

Divisors: 1 41 53 2173 1380677 56607757 73175881 3000211121