Base | Representation |
---|---|
bin | 11000100111000100… |
… | …01100100010001001 |
3 | 1021002210220022102010 |
4 | 30103202030202021 |
5 | 204024413230400 |
6 | 10023024330133 |
7 | 645264346401 |
oct | 142342144211 |
9 | 37083808363 |
10 | 13212633225 |
11 | 56702069a0 |
12 | 2688a73949 |
13 | 132746028c |
14 | 8d4ab9801 |
15 | 524e54450 |
hex | 31388c889 |
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".
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