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13212633225 = 3521131516623
BaseRepresentation
bin11000100111000100…
…01100100010001001
31021002210220022102010
430103202030202021
5204024413230400
610023024330133
7645264346401
oct142342144211
937083808363
1013212633225
1156702069a0
122688a73949
13132746028c
148d4ab9801
15524e54450
hex31388c889

13212633225 has 48 divisors (see below), whose sum is σ = 24599568384. Its totient is φ = 6199464000.

The previous prime is 13212633221. The next prime is 13212633233. The reversal of 13212633225 is 52233621231.

It is not a de Polignac number, because 13212633225 - 22 = 13212633221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13212633192 and 13212633201.

It is not an unprimeable number, because it can be changed into a prime (13212633221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232737 + ... + 283886.

It is an arithmetic number, because the mean of its divisors is an integer number (512491008).

Almost surely, 213212633225 is an apocalyptic number.

13212633225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13212633225 is a deficient number, since it is larger than the sum of its proper divisors (11386935159).

13212633225 is a wasteful number, since it uses less digits than its factorization.

13212633225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516678 (or 516673 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The spelling of 13212633225 in words is "thirteen billion, two hundred twelve million, six hundred thirty-three thousand, two hundred twenty-five".

Divisors: 1 3 5 11 15 25 31 33 55 75 93 155 165 275 341 465 775 825 1023 1705 2325 5115 8525 25575 516623 1549869 2583115 5682853 7749345 12915575 16015313 17048559 28414265 38746725 48045939 80076565 85242795 142071325 176168443 240229695 400382825 426213975 528505329 880842215 1201148475 2642526645 4404211075 13212633225