Base | Representation |
---|---|
bin | 11001111110001001… |
… | …00011101100101001 |
3 | 1022222201022220100101 |
4 | 30333010203230221 |
5 | 212023410430124 |
6 | 10223320105401 |
7 | 1002344031313 |
oct | 147704435451 |
9 | 38881286311 |
10 | 13943061289 |
11 | 5a05549353 |
12 | 2851605261 |
13 | 1412894431 |
14 | 963ad47b3 |
15 | 569137644 |
hex | 33f123b29 |
13943061289 has 8 divisors (see below), whose sum is σ = 14681363840. Its totient is φ = 13205204496.
The previous prime is 13943061283. The next prime is 13943061361. The reversal of 13943061289 is 98216034931.
It is a happy number.
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 13943061289 - 27 = 13943061161 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13943061283) 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, 46242 + ... + 173275.
It is an arithmetic number, because the mean of its divisors is an integer number (1835170480).
Almost surely, 213943061289 is an apocalyptic number.
13943061289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
13943061289 is a deficient number, since it is larger than the sum of its proper divisors (738302551).
13943061289 is a wasteful number, since it uses less digits than its factorization.
13943061289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222879.
The product of its (nonzero) digits is 279936, while the sum is 46.
The spelling of 13943061289 in words is "thirteen billion, nine hundred forty-three million, sixty-one thousand, two hundred eighty-nine".
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