Base | Representation |
---|---|
bin | 11000110000100001… |
… | …00100110100110001 |
3 | 1021022100001111021100 |
4 | 30120100210310301 |
5 | 204210211301314 |
6 | 10034535315013 |
7 | 650246200440 |
oct | 143020446461 |
9 | 37270044240 |
10 | 13291900209 |
11 | 5700a273a5 |
12 | 26ab51ba69 |
13 | 133a9c4b13 |
14 | 901430d57 |
15 | 52bdb0c09 |
hex | 318424d31 |
13291900209 has 12 divisors (see below), whose sum is σ = 21942184576. Its totient is φ = 7595371512.
The previous prime is 13291900121. The next prime is 13291900231. The reversal of 13291900209 is 90200919231.
It is a happy number.
It is not a de Polignac number, because 13291900209 - 27 = 13291900081 is a prime.
It is a super-2 number, since 2×132919002092 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13291900709) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105491209 + ... + 105491334.
Almost surely, 213291900209 is an apocalyptic number.
It is an amenable number.
13291900209 is a deficient number, since it is larger than the sum of its proper divisors (8650284367).
13291900209 is a wasteful number, since it uses less digits than its factorization.
13291900209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210982556 (or 210982553 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 36.
The spelling of 13291900209 in words is "thirteen billion, two hundred ninety-one million, nine hundred thousand, two hundred nine".
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