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2000787149 is a prime number
BaseRepresentation
bin111011101000001…
…1001011011001101
312011102211111222202
41313100121123031
513044200142044
6530311451245
7100403260454
oct16720313315
95142744882
102000787149
11937434aa9
1247a086b25
1325b69172a
1414da21b9b
15ba9bac4e
hex774196cd

2000787149 has 2 divisors, whose sum is σ = 2000787150. Its totient is φ = 2000787148.

The previous prime is 2000787109. The next prime is 2000787157. The reversal of 2000787149 is 9417870002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1981585225 + 19201924 = 44515^2 + 4382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2000787149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000787109) 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, 1000393574 + 1000393575.

It is an arithmetic number, because the mean of its divisors is an integer number (1000393575).

Almost surely, 22000787149 is an apocalyptic number.

It is an amenable number.

2000787149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000787149 is an equidigital number, since it uses as much as digits as its factorization.

2000787149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 2000787149 is about 44730.1592776060. The cubic root of 2000787149 is about 1260.0863191473.

The spelling of 2000787149 in words is "two billion, seven hundred eighty-seven thousand, one hundred forty-nine".