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123113213333 = 1121953550767
BaseRepresentation
bin111001010101000011…
…1101000110110010101
3102202202222020020022222
41302222013220312111
54004113440311313
6132320223232125
711615601022055
oct1625207506625
9382688206288
10123113213333
1148237221400
121ba3a448645
13b7c018a736
145d5c9bd565
15330845e208
hex1caa1e8d95

123113213333 has 12 divisors (see below), whose sum is σ = 142445042880. Its totient is φ = 106030516680.

The previous prime is 123113213329. The next prime is 123113213459. The reversal of 123113213333 is 333312311321.

It is not a de Polignac number, because 123113213333 - 22 = 123113213329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113213303) 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 11 ways as a sum of consecutive naturals, for example, 26773085 + ... + 26777682.

It is an arithmetic number, because the mean of its divisors is an integer number (11870420240).

Almost surely, 2123113213333 is an apocalyptic number.

It is an amenable number.

123113213333 is a deficient number, since it is larger than the sum of its proper divisors (19331829547).

123113213333 is a wasteful number, since it uses less digits than its factorization.

123113213333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53550808 (or 53550797 counting only the distinct ones).

The product of its digits is 2916, while the sum is 26.

Adding to 123113213333 its reverse (333312311321), we get a palindrome (456425524654).

The spelling of 123113213333 in words is "one hundred twenty-three billion, one hundred thirteen million, two hundred thirteen thousand, three hundred thirty-three".

Divisors: 1 11 19 121 209 2299 53550767 589058437 1017464573 6479642807 11192110303 123113213333