Base | Representation |
---|---|
bin | 1111010010111… |
… | …10110000000001 |
3 | 22221110001020001 |
4 | 13221132300001 |
5 | 230322024434 |
6 | 20422120001 |
7 | 3115440241 |
oct | 751366001 |
9 | 287401201 |
10 | 128314369 |
11 | 66480537 |
12 | 36b80001 |
13 | 20778481 |
14 | 13081b21 |
15 | b3e9114 |
hex | 7a5ec01 |
128314369 has 8 divisors (see below), whose sum is σ = 129773952. Its totient is φ = 126862320.
The previous prime is 128314331. The next prime is 128314393. The reversal of 128314369 is 963413821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 128314369 - 211 = 128312321 is a prime.
It is a super-2 number, since 2×1283143692 = 32929154583736322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (128314169) 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 7 ways as a sum of consecutive naturals, for example, 36712 + ... + 40054.
It is an arithmetic number, because the mean of its divisors is an integer number (16221744).
Almost surely, 2128314369 is an apocalyptic number.
It is an amenable number.
128314369 is a deficient number, since it is larger than the sum of its proper divisors (1459583).
128314369 is a wasteful number, since it uses less digits than its factorization.
128314369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3767.
The product of its digits is 31104, while the sum is 37.
The square root of 128314369 is about 11327.5932571752. The cubic root of 128314369 is about 504.3806661076.
The spelling of 128314369 in words is "one hundred twenty-eight million, three hundred fourteen thousand, three hundred sixty-nine".
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