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1055006005 = 5211001201
BaseRepresentation
bin111110111000100…
…001110100110101
32201112011212011111
4332320201310311
54130040143010
6252404235021
735100255154
oct7670416465
92645155144
101055006005
114a1583699
1225539ba71
1313a759011
14a018959b
156294958a
hex3ee21d35

1055006005 has 4 divisors (see below), whose sum is σ = 1266007212. Its totient is φ = 844004800.

The previous prime is 1055005997. The next prime is 1055006023. The reversal of 1055006005 is 5006005501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 635493681 + 419512324 = 25209^2 + 20482^2 .

It is not a de Polignac number, because 1055006005 - 23 = 1055005997 is a prime.

It is a super-2 number, since 2×10550060052 = 2226075341172120050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 105500596 + ... + 105500605.

It is an arithmetic number, because the mean of its divisors is an integer number (316501803).

Almost surely, 21055006005 is an apocalyptic number.

It is an amenable number.

1055006005 is a deficient number, since it is larger than the sum of its proper divisors (211001207).

1055006005 is an equidigital number, since it uses as much as digits as its factorization.

1055006005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211001206.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 1055006005 is about 32480.8559770213. The cubic root of 1055006005 is about 1018.0090617571.

The spelling of 1055006005 in words is "one billion, fifty-five million, six thousand, five".

Divisors: 1 5 211001201 1055006005