Base | Representation |
---|---|
bin | 11101001110011110110010… |
… | …101001011011010000000000 |
3 | 121212010011021220211001100100 |
4 | 131032132302221123100000 |
5 | 113321433303232040420 |
6 | 1133213433014322400 |
7 | 36034412306165424 |
oct | 3516366251332000 |
9 | 555104256731310 |
10 | 128538483471360 |
11 | 37a57956a23526 |
12 | 124bb752059400 |
13 | 5695185c92811 |
14 | 23a541d936b84 |
15 | ecd8aa9c4190 |
hex | 74e7b2a5b400 |
128538483471360 has 528 divisors, whose sum is σ = 454101599952000. Its totient is φ = 33606802145280.
The previous prime is 128538483471331. The next prime is 128538483471367. The reversal of 128538483471360 is 63174384835821.
It is a happy number.
128538483471360 is a `hidden beast` number, since 1 + 2 + 8 + 5 + 3 + 84 + 83 + 471 + 3 + 6 + 0 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128538483471367) 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, 3660900205 + ... + 3660935315.
It is an arithmetic number, because the mean of its divisors is an integer number (860040909000).
Almost surely, 2128538483471360 is an apocalyptic number.
128538483471360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 128538483471360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227050799976000).
128538483471360 is an abundant number, since it is smaller than the sum of its proper divisors (325563116480640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128538483471360 is a wasteful number, since it uses less digits than its factorization.
128538483471360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36694 (or 36673 counting only the distinct ones).
The product of its (nonzero) digits is 92897280, while the sum is 63.
The spelling of 128538483471360 in words is "one hundred twenty-eight trillion, five hundred thirty-eight billion, four hundred eighty-three million, four hundred seventy-one thousand, three hundred sixty".
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