Base | Representation |
---|---|
bin | 111000000001010011… |
… | …1111010010100100101 |
3 | 102111112010111202012121 |
4 | 1300002213322110211 |
5 | 3432340043214341 |
6 | 131133320545541 |
7 | 11456136326302 |
oct | 1600247722445 |
9 | 374463452177 |
10 | 120303101221 |
11 | 47024a675a6 |
12 | 1b3953222b1 |
13 | b462c2c8c4 |
14 | 5b736c60a9 |
15 | 31e18c84d1 |
hex | 1c029fa525 |
120303101221 has 16 divisors (see below), whose sum is σ = 130646135088. Its totient is φ = 110329753600.
The previous prime is 120303101213. The next prime is 120303101239. The reversal of 120303101221 is 122101303021.
It can be written as a sum of positive squares in 8 ways, for example, as 95277121 + 120207824100 = 9761^2 + 346710^2 .
It is not a de Polignac number, because 120303101221 - 23 = 120303101213 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120303101195 and 120303101204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120303101621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467121 + ... + 677353.
It is an arithmetic number, because the mean of its divisors is an integer number (8165383443).
Almost surely, 2120303101221 is an apocalyptic number.
It is an amenable number.
120303101221 is a deficient number, since it is larger than the sum of its proper divisors (10343033867).
120303101221 is a wasteful number, since it uses less digits than its factorization.
120303101221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211112.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 120303101221 its reverse (122101303021), we get a palindrome (242404404242).
The spelling of 120303101221 in words is "one hundred twenty billion, three hundred three million, one hundred one thousand, two hundred twenty-one".
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