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1001247007 = 3049732831
BaseRepresentation
bin111011101011011…
…101000100011111
32120210000121200111
4323223131010133
54022304401012
6243204110451
733545313325
oct7353350437
92523017614
101001247007
114741a5772
1223b395427
1312c585967
1496d93d15
155cd7aba7
hex3badd11f

1001247007 has 4 divisors (see below), whose sum is σ = 1001310336. Its totient is φ = 1001183680.

The previous prime is 1001246999. The next prime is 1001247029. The reversal of 1001247007 is 7007421001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7007421001 = 71001060143.

It is a cyclic number.

It is not a de Polignac number, because 1001247007 - 23 = 1001246999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001247067) 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 in 3 ways as a sum of consecutive naturals, for example, 14082 + ... + 46912.

It is an arithmetic number, because the mean of its divisors is an integer number (250327584).

Almost surely, 21001247007 is an apocalyptic number.

1001247007 is a deficient number, since it is larger than the sum of its proper divisors (63329).

1001247007 is an equidigital number, since it uses as much as digits as its factorization.

1001247007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63328.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1001247007 is about 31642.4873706224. The cubic root of 1001247007 is about 1000.4154963389.

Adding to 1001247007 its reverse (7007421001), we get a palindrome (8008668008).

The spelling of 1001247007 in words is "one billion, one million, two hundred forty-seven thousand, seven".

Divisors: 1 30497 32831 1001247007