Base | Representation |
---|---|
bin | 11000001111001011… |
… | …01100010101001001 |
3 | 1020120211210102200111 |
4 | 30013211230111021 |
5 | 203122112121210 |
6 | 5551105034321 |
7 | 640312034044 |
oct | 140745542511 |
9 | 36524712614 |
10 | 13012223305 |
11 | 5578073a64 |
12 | 26319259a1 |
13 | 12c4a91523 |
14 | 8b622bc5b |
15 | 51256888a |
hex | 30796c549 |
13012223305 has 8 divisors (see below), whose sum is σ = 15946895232. Its totient is φ = 10188293808.
The previous prime is 13012223299. The next prime is 13012223369. The reversal of 13012223305 is 50332221031.
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 13012223305 - 233 = 4422288713 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27685347 + ... + 27685816.
It is an arithmetic number, because the mean of its divisors is an integer number (1993361904).
Almost surely, 213012223305 is an apocalyptic number.
It is an amenable number.
13012223305 is a deficient number, since it is larger than the sum of its proper divisors (2934671927).
13012223305 is an equidigital number, since it uses as much as digits as its factorization.
13012223305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55371215.
The product of its (nonzero) digits is 1080, while the sum is 22.
Adding to 13012223305 its reverse (50332221031), we get a palindrome (63344444336).
The spelling of 13012223305 in words is "thirteen billion, twelve million, two hundred twenty-three thousand, three hundred five".
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