Base | Representation |
---|---|
bin | 1100111010010000000… |
… | …1111111001001110010 |
3 | 210012111022000110202212 |
4 | 3032210001333021302 |
5 | 12113214100110323 |
6 | 245520311212122 |
7 | 22011203040221 |
oct | 3164401771162 |
9 | 705438013685 |
10 | 221795316338 |
11 | 86076745a32 |
12 | 36b9a977042 |
13 | 17bb893706b |
14 | aa409c0cb8 |
15 | 5b81b20b78 |
hex | 33a407f272 |
221795316338 has 54 divisors (see below), whose sum is σ = 373356207693. Its totient is φ = 98784976320.
The previous prime is 221795316311. The next prime is 221795316367. The reversal of 221795316338 is 833613597122.
221795316338 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 202992599209 + 18802717129 = 450547^2 + 137123^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=333013.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 215125883 + ... + 215126913.
Almost surely, 2221795316338 is an apocalyptic number.
221795316338 is a deficient number, since it is larger than the sum of its proper divisors (151560891355).
221795316338 is an equidigital number, since it uses as much as digits as its factorization.
221795316338 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2136 (or 1069 counting only the distinct ones).
The product of its digits is 1632960, while the sum is 50.
Multiplying 221795316338 by its sum of digits (50), we get a square (11089765816900 = 33301302).
The spelling of 221795316338 in words is "two hundred twenty-one billion, seven hundred ninety-five million, three hundred sixteen thousand, three hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •