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1006759993 = 9710378969
BaseRepresentation
bin111100000000011…
…111000000111001
32121011101201002011
4330000133000321
54030212304433
6243522205521
733643214221
oct7400370071
92534351064
101006759993
11477320758
122411b38a1
13130766095
14979cb081
155d5b93cd
hex3c01f039

1006759993 has 4 divisors (see below), whose sum is σ = 1017139060. Its totient is φ = 996380928.

The previous prime is 1006759987. The next prime is 1006759997. The reversal of 1006759993 is 3999576001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3999576001 = 13193032279.

It can be written as a sum of positive squares in 2 ways, for example, as 243453609 + 763306384 = 15603^2 + 27628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1006759993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006759997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5189388 + ... + 5189581.

It is an arithmetic number, because the mean of its divisors is an integer number (254284765).

Almost surely, 21006759993 is an apocalyptic number.

It is an amenable number.

1006759993 is a deficient number, since it is larger than the sum of its proper divisors (10379067).

1006759993 is an equidigital number, since it uses as much as digits as its factorization.

1006759993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10379066.

The product of its (nonzero) digits is 459270, while the sum is 49.

The square root of 1006759993 is about 31729.4814486465. The cubic root of 1006759993 is about 1002.2482724827.

The spelling of 1006759993 in words is "one billion, six million, seven hundred fifty-nine thousand, nine hundred ninety-three".

Divisors: 1 97 10378969 1006759993