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12483744845 = 5112132369011
BaseRepresentation
bin10111010000001011…
…01101010001001101
31012020000100221112012
423220011231101031
5201031314313340
65422425551005
7621234036365
oct135005552115
935200327465
1012483744845
115326826300
122504945465
13123c447b90
14865d819a5
154d0e77565
hex2e816d44d

12483744845 has 48 divisors (see below), whose sum is σ = 18504049536. Its totient is φ = 8016201600.

The previous prime is 12483744841. The next prime is 12483744859. The reversal of 12483744845 is 54844738421.

It is a happy number.

It is not a de Polignac number, because 12483744845 - 22 = 12483744841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12483744793 and 12483744802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12483744841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146390 + ... + 215400.

It is an arithmetic number, because the mean of its divisors is an integer number (385501032).

Almost surely, 212483744845 is an apocalyptic number.

It is an amenable number.

12483744845 is a deficient number, since it is larger than the sum of its proper divisors (6020304691).

12483744845 is a wasteful number, since it uses less digits than its factorization.

12483744845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69074 (or 69063 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 50.

The spelling of 12483744845 in words is "twelve billion, four hundred eighty-three million, seven hundred forty-four thousand, eight hundred forty-five".

Divisors: 1 5 11 13 23 55 65 115 121 143 253 299 605 715 1265 1495 1573 2783 3289 7865 13915 16445 36179 69011 180895 345055 759121 897143 1587253 3795605 4485715 7936265 8350331 9868573 17459783 20634289 41751655 49342865 87298915 103171445 108554303 192057613 226977179 542771515 960288065 1134885895 2496748969 12483744845