Base | Representation |
---|---|
bin | 110010010010111001100101… |
… | …001000000110011101010101 |
3 | 1002000012121201010222100221001 |
4 | 302102321211020012131111 |
5 | 212443124324142113023 |
6 | 2102242214502223301 |
7 | 64410152344421152 |
oct | 6222714510063525 |
9 | 1060177633870831 |
10 | 221201102301013 |
11 | 6453295160354a |
12 | 20986309724b31 |
13 | 9657236335723 |
14 | 3c8a294947229 |
15 | 1a88e3579d6ad |
hex | c92e65206755 |
221201102301013 has 8 divisors (see below), whose sum is σ = 221232358179800. Its totient is φ = 221169847742208.
The previous prime is 221201102301001. The next prime is 221201102301037. The reversal of 221201102301013 is 310103201102122.
It can be written as a sum of positive squares in 4 ways, for example, as 2004993696484 + 219196108604529 = 1415978^2 + 14805273^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-221201102301013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221201102301913) 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, 362743273 + ... + 363352561.
It is an arithmetic number, because the mean of its divisors is an integer number (27654044772475).
Almost surely, 2221201102301013 is an apocalyptic number.
It is an amenable number.
221201102301013 is a deficient number, since it is larger than the sum of its proper divisors (31255878787).
221201102301013 is an equidigital number, since it uses as much as digits as its factorization.
221201102301013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659991.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 221201102301013 its reverse (310103201102122), we get a palindrome (531304303403135).
The spelling of 221201102301013 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred two million, three hundred one thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •