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1118530507 is a prime number
BaseRepresentation
bin100001010101011…
…0110101111001011
32212221201020101211
41002222312233023
54242320434012
6302553553551
736501231613
oct10252665713
92787636354
101118530507
11524421586
122727158b7
1314a96b293
14a87a3a43
15682e66a7
hex42ab6bcb

1118530507 has 2 divisors, whose sum is σ = 1118530508. Its totient is φ = 1118530506.

The previous prime is 1118530463. The next prime is 1118530541. The reversal of 1118530507 is 7050358111.

It is a strong prime.

It is an emirp because it is prime and its reverse (7050358111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1118530507 - 227 = 984312779 is a prime.

It is a super-2 number, since 2×11185305072 = 2502220990179354098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1118530597) 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, 559265253 + 559265254.

It is an arithmetic number, because the mean of its divisors is an integer number (559265254).

Almost surely, 21118530507 is an apocalyptic number.

1118530507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118530507 is an equidigital number, since it uses as much as digits as its factorization.

1118530507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 1118530507 is about 33444.4391042816. The cubic root of 1118530507 is about 1038.0444350554.

Adding to 1118530507 its reverse (7050358111), we get a palindrome (8168888618).

The spelling of 1118530507 in words is "one billion, one hundred eighteen million, five hundred thirty thousand, five hundred seven".