Base | Representation |
---|---|
bin | 11000011101010111… |
… | …00101110111011011 |
3 | 1020220010200121000122 |
4 | 30032223211313123 |
5 | 203343042211303 |
6 | 10010555223455 |
7 | 643255305446 |
oct | 141653456733 |
9 | 36803617018 |
10 | 13131210203 |
11 | 5629253641 |
12 | 2665747b8b |
13 | 1313622287 |
14 | 8c7d6265d |
15 | 51cc1de38 |
hex | 30eae5ddb |
13131210203 has 4 divisors (see below), whose sum is σ = 13132303200. Its totient is φ = 13130117208.
The previous prime is 13131210173. The next prime is 13131210221. The reversal of 13131210203 is 30201213131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13131210203 - 212 = 13131206107 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13131210293) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528275 + ... + 552572.
It is an arithmetic number, because the mean of its divisors is an integer number (3283075800).
Almost surely, 213131210203 is an apocalyptic number.
13131210203 is a deficient number, since it is larger than the sum of its proper divisors (1092997).
13131210203 is a wasteful number, since it uses less digits than its factorization.
13131210203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1092996.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 13131210203 its reverse (30201213131), we get a palindrome (43332423334).
The spelling of 13131210203 in words is "thirteen billion, one hundred thirty-one million, two hundred ten thousand, two hundred three".
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