Base | Representation |
---|---|
bin | 11000111111110101… |
… | …11011011001101010 |
3 | 1021122021221011011102 |
4 | 30133322323121222 |
5 | 204441113140432 |
6 | 10055410401402 |
7 | 653366612453 |
oct | 143772733152 |
9 | 37567834142 |
10 | 13420443242 |
11 | 5767543708 |
12 | 2726590262 |
13 | 135b52039b |
14 | 91453212a |
15 | 538302962 |
hex | 31febb66a |
13420443242 has 8 divisors (see below), whose sum is σ = 21190173600. Its totient is φ = 6357052044.
The previous prime is 13420443227. The next prime is 13420443307. The reversal of 13420443242 is 24234402431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176584742 + ... + 176584817.
It is an arithmetic number, because the mean of its divisors is an integer number (2648771700).
Almost surely, 213420443242 is an apocalyptic number.
13420443242 is a deficient number, since it is larger than the sum of its proper divisors (7769730358).
13420443242 is a wasteful number, since it uses less digits than its factorization.
13420443242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353169580.
The product of its (nonzero) digits is 18432, while the sum is 29.
Adding to 13420443242 its reverse (24234402431), we get a palindrome (37654845673).
The spelling of 13420443242 in words is "thirteen billion, four hundred twenty million, four hundred forty-three thousand, two hundred forty-two".
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