Base | Representation |
---|---|
bin | 11100001001010000… |
… | …111010110010101011 |
3 | 2220000002122021112120 |
4 | 130021100322302223 |
5 | 443342332414011 |
6 | 21514415442323 |
7 | 2116612320441 |
oct | 341120726253 |
9 | 86002567476 |
10 | 30220201131 |
11 | 118a857443a |
12 | 5a348263a3 |
13 | 2b07ba3223 |
14 | 16697a8b91 |
15 | bbd123a06 |
hex | 70943acab |
30220201131 has 16 divisors (see below), whose sum is σ = 40528158720. Its totient is φ = 20029763520.
The previous prime is 30220201127. The next prime is 30220201139. The reversal of 30220201131 is 13110202203.
It is not a de Polignac number, because 30220201131 - 22 = 30220201127 is a prime.
It is a super-2 number, since 2×302202011312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30220201131.
It is not an unprimeable number, because it can be changed into a prime (30220201139) 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, 479430 + ... + 538788.
It is an arithmetic number, because the mean of its divisors is an integer number (2533009920).
Almost surely, 230220201131 is an apocalyptic number.
30220201131 is a deficient number, since it is larger than the sum of its proper divisors (10307957589).
30220201131 is a wasteful number, since it uses less digits than its factorization.
30220201131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60346.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 30220201131 its reverse (13110202203), we get a palindrome (43330403334).
The spelling of 30220201131 in words is "thirty billion, two hundred twenty million, two hundred one thousand, one hundred thirty-one".
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