Base | Representation |
---|---|
bin | 1111010010111… |
… | …10011111101111 |
3 | 22221102222210110 |
4 | 13221132133233 |
5 | 230322011302 |
6 | 20422111103 |
7 | 3115434222 |
oct | 751363757 |
9 | 287388713 |
10 | 128313327 |
11 | 6647a77a |
12 | 36b7b493 |
13 | 20777b5c |
14 | 130815b9 |
15 | b3e8b6c |
hex | 7a5e7ef |
128313327 has 8 divisors (see below), whose sum is σ = 180088960. Its totient is φ = 81039960.
The previous prime is 128313323. The next prime is 128313349. The reversal of 128313327 is 723313821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 128313327 - 22 = 128313323 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 128313294 and 128313303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128313323) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125499 + ... + 1125612.
It is an arithmetic number, because the mean of its divisors is an integer number (22511120).
Almost surely, 2128313327 is an apocalyptic number.
128313327 is a deficient number, since it is larger than the sum of its proper divisors (51775633).
128313327 is a wasteful number, since it uses less digits than its factorization.
128313327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2251133.
The product of its digits is 6048, while the sum is 30.
The square root of 128313327 is about 11327.5472631987. The cubic root of 128313327 is about 504.3793007991.
The spelling of 128313327 in words is "one hundred twenty-eight million, three hundred thirteen thousand, three hundred twenty-seven".
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