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2001128011 is a prime number
BaseRepresentation
bin111011101000110…
…1100101001001011
312011110110211120021
41313101230221023
513044242044021
6530323041311
7100406210311
oct16721545113
95143424507
102001128011
11937648103
1247a210237
1325b78091c
1414dab00b1
15baa36c41
hex7746ca4b

2001128011 has 2 divisors, whose sum is σ = 2001128012. Its totient is φ = 2001128010.

The previous prime is 2001127993. The next prime is 2001128029. The reversal of 2001128011 is 1108211002.

It is a balanced prime because it is at equal distance from previous prime (2001127993) and next prime (2001128029).

It is a cyclic number.

It is not a de Polignac number, because 2001128011 - 213 = 2001119819 is a prime.

It is a super-2 number, since 2×20011280112 = 8009026632817632242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2001128081) 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, 1000564005 + 1000564006.

It is an arithmetic number, because the mean of its divisors is an integer number (1000564006).

Almost surely, 22001128011 is an apocalyptic number.

2001128011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001128011 is an equidigital number, since it uses as much as digits as its factorization.

2001128011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 2001128011 is about 44733.9693186285. The cubic root of 2001128011 is about 1260.1578728445.

Adding to 2001128011 its reverse (1108211002), we get a palindrome (3109339013).

It can be divided in two parts, 200 and 1128011, that added together give a palindrome (1128211).

The spelling of 2001128011 in words is "two billion, one million, one hundred twenty-eight thousand, eleven".