Base | Representation |
---|---|
bin | 1100011010101100101… |
… | …1000011111101000100 |
3 | 202101122000000001011112 |
4 | 3012223023003331010 |
5 | 11443342222414340 |
6 | 242000015224152 |
7 | 21261253202105 |
oct | 3065313037504 |
9 | 671560001145 |
10 | 213325201220 |
11 | 8251a57309a |
12 | 35416218058 |
13 | 17168ba3621 |
14 | a479b003ac |
15 | 5838212065 |
hex | 31ab2c3f44 |
213325201220 has 12 divisors (see below), whose sum is σ = 447982922604. Its totient is φ = 85330080480.
The previous prime is 213325201189. The next prime is 213325201261. The reversal of 213325201220 is 22102523312.
213325201220 is digitally balanced in base 2, because in such base 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 35482503424 + 177842697796 = 188368^2 + 421714^2 .
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 3 ways as a sum of consecutive naturals, for example, 5333130011 + ... + 5333130050.
It is an arithmetic number, because the mean of its divisors is an integer number (37331910217).
Almost surely, 2213325201220 is an apocalyptic number.
213325201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213325201220 is an abundant number, since it is smaller than the sum of its proper divisors (234657721384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213325201220 is a wasteful number, since it uses less digits than its factorization.
213325201220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10666260070 (or 10666260068 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 213325201220 its reverse (22102523312), we get a palindrome (235427724532).
The spelling of 213325201220 in words is "two hundred thirteen billion, three hundred twenty-five million, two hundred one thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •