Base | Representation |
---|---|
bin | 1011111100010010001101… |
… | …1110000111001100001011 |
3 | 1201111020121212222111211202 |
4 | 2333010203132013030023 |
5 | 3210111333342321303 |
6 | 43531551534414415 |
7 | 2523430216345313 |
oct | 277044336071413 |
9 | 51436555874752 |
10 | 13130310120203 |
11 | 4202595835811 |
12 | 15808aa36140b |
13 | 74324bb92213 |
14 | 33572077a443 |
15 | 17b839857c88 |
hex | bf12378730b |
13130310120203 has 2 divisors, whose sum is σ = 13130310120204. Its totient is φ = 13130310120202.
The previous prime is 13130310120199. The next prime is 13130310120223. The reversal of 13130310120203 is 30202101303131.
It is an a-pointer prime, because the next prime (13130310120223) can be obtained adding 13130310120203 to its sum of digits (20).
It is a weak prime.
It is an emirp because it is prime and its reverse (30202101303131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13130310120203 - 22 = 13130310120199 is a prime.
It is a super-2 number, since 2×131303101202032 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13130310120223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565155060101 + 6565155060102.
It is an arithmetic number, because the mean of its divisors is an integer number (6565155060102).
Almost surely, 213130310120203 is an apocalyptic number.
13130310120203 is a deficient number, since it is larger than the sum of its proper divisors (1).
13130310120203 is an equidigital number, since it uses as much as digits as its factorization.
13130310120203 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 13130310120203 its reverse (30202101303131), we get a palindrome (43332411423334).
The spelling of 13130310120203 in words is "thirteen trillion, one hundred thirty billion, three hundred ten million, one hundred twenty thousand, two hundred three".
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