Base | Representation |
---|---|
bin | 10100111001100010… |
… | …11001100101010011 |
3 | 1001221221122200000020 |
4 | 22130301121211103 |
5 | 140434323131011 |
6 | 5053210154523 |
7 | 545021350440 |
oct | 123461314523 |
9 | 31857580006 |
10 | 11220130131 |
11 | 483851a921 |
12 | 2211722a43 |
13 | 109a70c372 |
14 | 7862129c7 |
15 | 45a073006 |
hex | 29cc59953 |
11220130131 has 64 divisors (see below), whose sum is σ = 18228326400. Its totient is φ = 6003357696.
The previous prime is 11220130091. The next prime is 11220130133. The reversal of 11220130131 is 13103102211.
It is a happy number.
11220130131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 11220130131 - 215 = 11220097363 is a prime.
It is a super-3 number, since 3×112201301313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 11220130131.
It is not an unprimeable number, because it can be changed into a prime (11220130133) 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 63 ways as a sum of consecutive naturals, for example, 3232665 + ... + 3236133.
It is an arithmetic number, because the mean of its divisors is an integer number (284817600).
Almost surely, 211220130131 is an apocalyptic number.
11220130131 is a deficient number, since it is larger than the sum of its proper divisors (7008196269).
11220130131 is a wasteful number, since it uses less digits than its factorization.
11220130131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3668.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 11220130131 its reverse (13103102211), we get a palindrome (24323232342).
The spelling of 11220130131 in words is "eleven billion, two hundred twenty million, one hundred thirty thousand, one hundred thirty-one".
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