Base | Representation |
---|---|
bin | 10010101111101110110… |
… | …010010100000100110011 |
3 | 11120011001222011212202002 |
4 | 102233232302110010303 |
5 | 132101214023411324 |
6 | 2423442550244215 |
7 | 162032555063555 |
oct | 22575662240463 |
9 | 4504058155662 |
10 | 1288201388339 |
11 | 457361111668 |
12 | 1897b405666b |
13 | 946278b4b18 |
14 | 464c65d14d5 |
15 | 237981d53ae |
hex | 12beec94133 |
1288201388339 has 8 divisors (see below), whose sum is σ = 1292425597008. Its totient is φ = 1283983444480.
The previous prime is 1288201388333. The next prime is 1288201388351. The reversal of 1288201388339 is 9338831028821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1288201388339 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1288201388333) 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, 1154102 + ... + 1976955.
It is an arithmetic number, because the mean of its divisors is an integer number (161553199626).
Almost surely, 21288201388339 is an apocalyptic number.
1288201388339 is a deficient number, since it is larger than the sum of its proper divisors (4224208669).
1288201388339 is an equidigital number, since it uses as much as digits as its factorization.
1288201388339 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3132405.
The product of its (nonzero) digits is 3981312, while the sum is 56.
The spelling of 1288201388339 in words is "one trillion, two hundred eighty-eight billion, two hundred one million, three hundred eighty-eight thousand, three hundred thirty-nine".
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