Base | Representation |
---|---|
bin | 100011110110110… |
… | …0100111100010011 |
3 | 10002211220100021020 |
4 | 1013231210330103 |
5 | 4431000131011 |
6 | 315215130523 |
7 | 41546303010 |
oct | 10755447423 |
9 | 3084810236 |
10 | 1203130131 |
11 | 568154525 |
12 | 296b13a43 |
13 | 16234c128 |
14 | b5b06707 |
15 | 70958006 |
hex | 47b64f13 |
1203130131 has 8 divisors (see below), whose sum is σ = 1833341184. Its totient is φ = 687502920.
The previous prime is 1203130121. The next prime is 1203130139. The reversal of 1203130131 is 1310313021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-1203130131 is a prime.
It is a super-2 number, since 2×12031301312 = 2895044224240154322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1203130131.
It is not an unprimeable number, because it can be changed into a prime (1203130139) 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 7 ways as a sum of consecutive naturals, for example, 28645935 + ... + 28645976.
It is an arithmetic number, because the mean of its divisors is an integer number (229167648).
Almost surely, 21203130131 is an apocalyptic number.
1203130131 is a deficient number, since it is larger than the sum of its proper divisors (630211053).
1203130131 is an equidigital number, since it uses as much as digits as its factorization.
1203130131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57291921.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 1203130131 is about 34686.1662770621. The cubic root of 1203130131 is about 1063.5817282365.
Adding to 1203130131 its reverse (1310313021), we get a palindrome (2513443152).
The spelling of 1203130131 in words is "one billion, two hundred three million, one hundred thirty thousand, one hundred thirty-one".
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