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1123011304 = 231091287857
BaseRepresentation
bin100001011101111…
…1100101011101000
32220021010212220021
41002323330223220
54244442330204
6303234010224
736554303302
oct10273745350
92807125807
101123011304
11526a02018
12274116974
1314b87993c
14a920c972
15688ce154
hex42efcae8

1123011304 has 16 divisors (see below), whose sum is σ = 2124965700. Its totient is φ = 556353792.

The previous prime is 1123011299. The next prime is 1123011319. The reversal of 1123011304 is 4031103211.

It can be written as a sum of positive squares in 2 ways, for example, as 1122920100 + 91204 = 33510^2 + 302^2 .

It is a super-2 number, since 2×11230113042 = 2522308777823560832, which contains 22 as substring.

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, 643057 + ... + 644800.

Almost surely, 21123011304 is an apocalyptic number.

It is an amenable number.

1123011304 is a deficient number, since it is larger than the sum of its proper divisors (1001954396).

1123011304 is a wasteful number, since it uses less digits than its factorization.

1123011304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287972 (or 1287968 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1123011304 is about 33511.3608198772. The cubic root of 1123011304 is about 1039.4287123747.

Adding to 1123011304 its reverse (4031103211), we get a palindrome (5154114515).

The spelling of 1123011304 in words is "one billion, one hundred twenty-three million, eleven thousand, three hundred four".

Divisors: 1 2 4 8 109 218 436 872 1287857 2575714 5151428 10302856 140376413 280752826 561505652 1123011304