Base | Representation |
---|---|
bin | 10111010000111011… |
… | …00110101010010111 |
3 | 1012020110011012122210 |
4 | 23220131212222113 |
5 | 201034420243424 |
6 | 5423212124503 |
7 | 621341220051 |
oct | 135035465227 |
9 | 35213135583 |
10 | 12490009239 |
11 | 532a314894 |
12 | 2506a66733 |
13 | 124082c316 |
14 | 866b328d1 |
15 | 4d17b3729 |
hex | 2e8766a97 |
12490009239 has 8 divisors (see below), whose sum is σ = 16654661632. Its totient is φ = 8326014840.
The previous prime is 12490009199. The next prime is 12490009253. The reversal of 12490009239 is 93290009421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12490009239 - 219 = 12489484951 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12490009197 and 12490009206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12490049239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118357 + ... + 197454.
It is an arithmetic number, because the mean of its divisors is an integer number (2081832704).
Almost surely, 212490009239 is an apocalyptic number.
12490009239 is a deficient number, since it is larger than the sum of its proper divisors (4164652393).
12490009239 is a wasteful number, since it uses less digits than its factorization.
12490009239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328997.
The product of its (nonzero) digits is 34992, while the sum is 39.
The spelling of 12490009239 in words is "twelve billion, four hundred ninety million, nine thousand, two hundred thirty-nine".
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