Base | Representation |
---|---|
bin | 1011111010101001100011… |
… | …0000110111110101000101 |
3 | 1201101120002202200010211210 |
4 | 2332222120300313311011 |
5 | 3204131313034414341 |
6 | 43511023524122033 |
7 | 2521414025440524 |
oct | 276523060676505 |
9 | 51346082603753 |
10 | 13102213201221 |
11 | 41a1687861711 |
12 | 1577368836319 |
13 | 7406c1b6c181 |
14 | 334216d9c4bb |
15 | 17ac42d49c16 |
hex | bea98c37d45 |
13102213201221 has 8 divisors (see below), whose sum is σ = 17841311593344. Its totient is φ = 8548961804960.
The previous prime is 13102213201159. The next prime is 13102213201247. The reversal of 13102213201221 is 12210231220131.
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 13102213201221 - 29 = 13102213200709 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13102213206221) 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, 46461748800 + ... + 46461749081.
It is an arithmetic number, because the mean of its divisors is an integer number (2230163949168).
Almost surely, 213102213201221 is an apocalyptic number.
It is an amenable number.
13102213201221 is a deficient number, since it is larger than the sum of its proper divisors (4739098392123).
13102213201221 is an equidigital number, since it uses as much as digits as its factorization.
13102213201221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92923497931.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 13102213201221 its reverse (12210231220131), we get a palindrome (25312444421352).
The spelling of 13102213201221 in words is "thirteen trillion, one hundred two billion, two hundred thirteen million, two hundred one thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •