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12320113533 = 371345128621
BaseRepresentation
bin10110111100101011…
…00000001101111101
31011210121110121120020
423132111200031331
5200212422113113
65354302442353
7614206144230
oct133625401575
934717417506
1012320113533
115252423712
122479b933b9
131214585610
1484c349417
154c1904023
hex2de56037d

12320113533 has 16 divisors (see below), whose sum is σ = 20217622656. Its totient is φ = 6498521280.

The previous prime is 12320113511. The next prime is 12320113573. The reversal of 12320113533 is 33531102321.

It is not a de Polignac number, because 12320113533 - 25 = 12320113501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320113573) 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 15 ways as a sum of consecutive naturals, for example, 22564038 + ... + 22564583.

It is an arithmetic number, because the mean of its divisors is an integer number (1263601416).

Almost surely, 212320113533 is an apocalyptic number.

12320113533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12320113533 is a deficient number, since it is larger than the sum of its proper divisors (7897509123).

12320113533 is a wasteful number, since it uses less digits than its factorization.

12320113533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45128644.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 12320113533 its reverse (33531102321), we get a palindrome (45851215854).

The spelling of 12320113533 in words is "twelve billion, three hundred twenty million, one hundred thirteen thousand, five hundred thirty-three".

Divisors: 1 3 7 13 21 39 91 273 45128621 135385863 315900347 586672073 947701041 1760016219 4106704511 12320113533