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1111330243 = 8320996379
BaseRepresentation
bin100001000111101…
…1000110111000011
32212110011102111101
41002033120313003
54234000031433
6302135355231
736353102602
oct10217306703
92773142441
101111330243
11520353951
12270222b17
13149319b7a
14a784ba39
156787307d
hex423d8dc3

1111330243 has 8 divisors (see below), whose sum is σ = 1125432000. Its totient is φ = 1097245608.

The previous prime is 1111330223. The next prime is 1111330249. The reversal of 1111330243 is 3420331111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111330243 - 25 = 1111330211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111330243.

It is not an unprimeable number, because it can be changed into a prime (1111330249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171028 + ... + 177406.

It is an arithmetic number, because the mean of its divisors is an integer number (140679000).

Almost surely, 21111330243 is an apocalyptic number.

1111330243 is a deficient number, since it is larger than the sum of its proper divisors (14101757).

1111330243 is an equidigital number, since it uses as much as digits as its factorization.

1111330243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1111330243 is about 33336.6201496192. The cubic root of 1111330243 is about 1035.8122535484.

Adding to 1111330243 its reverse (3420331111), we get a palindrome (4531661354).

The spelling of 1111330243 in words is "one billion, one hundred eleven million, three hundred thirty thousand, two hundred forty-three".

Divisors: 1 83 2099 6379 174217 529457 13389521 1111330243