Base | Representation |
---|---|
bin | 10111010000111011… |
… | …00110101001101111 |
3 | 1012020110011012121022 |
4 | 23220131212221233 |
5 | 201034420243244 |
6 | 5423212124355 |
7 | 621341216663 |
oct | 135035465157 |
9 | 35213135538 |
10 | 12490009199 |
11 | 532a314858 |
12 | 2506a666bb |
13 | 124082c2b5 |
14 | 866b328a3 |
15 | 4d17b36ee |
hex | 2e8766a6f |
12490009199 has 2 divisors, whose sum is σ = 12490009200. Its totient is φ = 12490009198.
The previous prime is 12490009187. The next prime is 12490009253. The reversal of 12490009199 is 99190009421.
It is a weak prime.
It is an emirp because it is prime and its reverse (99190009421) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12490009199 - 224 = 12473231983 is a prime.
It is a super-2 number, since 2×124900091992 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12490008199) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245004599 + 6245004600.
It is an arithmetic number, because the mean of its divisors is an integer number (6245004600).
Almost surely, 212490009199 is an apocalyptic number.
12490009199 is a deficient number, since it is larger than the sum of its proper divisors (1).
12490009199 is an equidigital number, since it uses as much as digits as its factorization.
12490009199 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 52488, while the sum is 44.
The spelling of 12490009199 in words is "twelve billion, four hundred ninety million, nine thousand, one hundred ninety-nine".
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