Base | Representation |
---|---|
bin | 1011111010101100100001… |
… | …1100101000110100010101 |
3 | 1201101122011112000110021111 |
4 | 2332223020130220310111 |
5 | 3204134432340000341 |
6 | 43511235143015021 |
7 | 2521442611363054 |
oct | 276531034506425 |
9 | 51348145013244 |
10 | 13103013203221 |
11 | 41a1a583a3a97 |
12 | 157755073a471 |
13 | 7407bb822c36 |
14 | 33429132839b |
15 | 17ac8d1c2681 |
hex | beac8728d15 |
13103013203221 has 16 divisors (see below), whose sum is σ = 13707258859008. Its totient is φ = 12501655689600.
The previous prime is 13103013203219. The next prime is 13103013203227. The reversal of 13103013203221 is 12230231030131.
13103013203221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13103013203221 - 21 = 13103013203219 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13103013203192 and 13103013203201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13103013203227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66142500 + ... + 66340306.
It is an arithmetic number, because the mean of its divisors is an integer number (856703678688).
Almost surely, 213103013203221 is an apocalyptic number.
It is an amenable number.
13103013203221 is a deficient number, since it is larger than the sum of its proper divisors (604245655787).
13103013203221 is a wasteful number, since it uses less digits than its factorization.
13103013203221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205092.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 13103013203221 its reverse (12230231030131), we get a palindrome (25333244233352).
The spelling of 13103013203221 in words is "thirteen trillion, one hundred three billion, thirteen million, two hundred three thousand, two hundred twenty-one".
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