| Base | Representation |
|---|---|
| bin | 11000111101101001… |
| … | …00100001111010001 |
| 3 | 1021121000020001110000 |
| 4 | 30132310210033101 |
| 5 | 204421402421124 |
| 6 | 10053511200213 |
| 7 | 653054051211 |
| oct | 143664441721 |
| 9 | 37530201400 |
| 10 | 13401998289 |
| 11 | 5758095749 |
| 12 | 2720376069 |
| 13 | 1357762a04 |
| 14 | 911cd0241 |
| 15 | 5368ac6c9 |
| hex | 31ed243d1 |
13401998289 has 45 divisors (see below), whose sum is σ = 21160681707. Its totient is φ = 8451917136.
The previous prime is 13401998261. The next prime is 13401998303. The reversal of 13401998289 is 98289910431.
The square root of 13401998289 is 115767.
It is a perfect power (a square), and thus also a powerful number.
13401998289 is a `hidden beast` number, since 1 + 340 + 19 + 9 + 8 + 289 = 666.
13401998289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 13322930625 + 79067664 = 115425^2 + 8892^2 .
It is a de Polignac number, because none of the positive numbers 2k-13401998289 is a prime.
It is a super-2 number, since 2×134019982892 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13401990289) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 19795819 + ... + 19796495.
Almost surely, 213401998289 is an apocalyptic number.
13401998289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
13401998289 is the 115767-th square number.
13401998289 is the 57884-th centered octagonal number.
It is an amenable number.
13401998289 is a deficient number, since it is larger than the sum of its proper divisors (7758683418).
13401998289 is an frugal number, since it uses more digits than its factorization.
13401998289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1404 (or 699 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 54.
The spelling of 13401998289 in words is "thirteen billion, four hundred one million, nine hundred ninety-eight thousand, two hundred eighty-nine".
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