Base | Representation |
---|---|
bin | 10010101111111010… |
… | …001101001011001111 |
3 | 1220221222021212221000 |
4 | 102233322031023033 |
5 | 312212032442203 |
6 | 13125332111343 |
7 | 1311603604101 |
oct | 225772151317 |
9 | 56858255830 |
10 | 20131140303 |
11 | 85a055a73a |
12 | 3a99a65553 |
13 | 1b8a902451 |
14 | d8d8a1571 |
15 | 7cc5224a3 |
hex | 4afe8d2cf |
20131140303 has 16 divisors (see below), whose sum is σ = 29828010240. Its totient is φ = 13418915832.
The previous prime is 20131140283. The next prime is 20131140307. The reversal of 20131140303 is 30304113102.
It is not a de Polignac number, because 20131140303 - 217 = 20131009231 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20131140307) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165550 + ... + 260132.
It is an arithmetic number, because the mean of its divisors is an integer number (1864250640).
Almost surely, 220131140303 is an apocalyptic number.
20131140303 is a deficient number, since it is larger than the sum of its proper divisors (9696869937).
20131140303 is an equidigital number, since it uses as much as digits as its factorization.
20131140303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102475 (or 102469 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 20131140303 its reverse (30304113102), we get a palindrome (50435253405).
It can be divided in two parts, 2013 and 1140303, that added together give a triangular number (1142316 = T1511).
The spelling of 20131140303 in words is "twenty billion, one hundred thirty-one million, one hundred forty thousand, three hundred three".
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