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1005001069 is a prime number
BaseRepresentation
bin111011111001110…
…001100101101101
32121001002100021211
4323321301211231
54024240013234
6243420354421
733622240162
oct7371614555
92531070254
101005001069
1147632a1a6
122406a5a11
1313029b5b7
1497690069
155d36d164
hex3be7196d

1005001069 has 2 divisors, whose sum is σ = 1005001070. Its totient is φ = 1005001068.

The previous prime is 1005001051. The next prime is 1005001091. The reversal of 1005001069 is 9601005001.

It is an a-pointer prime, because the next prime (1005001091) can be obtained adding 1005001069 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976250025 + 28751044 = 31245^2 + 5362^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005001069 - 221 = 1002903917 is a prime.

It is a super-2 number, since 2×10050010692 = 2020054297382285522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005001009) 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 as a sum of consecutive naturals, namely, 502500534 + 502500535.

It is an arithmetic number, because the mean of its divisors is an integer number (502500535).

Almost surely, 21005001069 is an apocalyptic number.

It is an amenable number.

1005001069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005001069 is an equidigital number, since it uses as much as digits as its factorization.

1005001069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1005001069 is about 31701.7518285662. The cubic root of 1005001069 is about 1001.6642517297.

The spelling of 1005001069 in words is "one billion, five million, one thousand, sixty-nine".