Base | Representation |
---|---|
bin | 11000000010001010… |
… | …11110000011000011 |
3 | 1020022020111001100100 |
4 | 30001011132003003 |
5 | 202411144103044 |
6 | 5532210253443 |
7 | 634515435645 |
oct | 140105360303 |
9 | 36266431310 |
10 | 12903112899 |
11 | 552151a776 |
12 | 2601287283 |
13 | 12a82ab061 |
14 | 8a5948895 |
15 | 507bb4869 |
hex | 30115e0c3 |
12903112899 has 48 divisors (see below), whose sum is σ = 19548232704. Its totient is φ = 8193225600.
The previous prime is 12903112891. The next prime is 12903112909. The reversal of 12903112899 is 99821130921.
It is not a de Polignac number, because 12903112899 - 23 = 12903112891 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12903112891) 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 47 ways as a sum of consecutive naturals, for example, 5655639 + ... + 5657919.
It is an arithmetic number, because the mean of its divisors is an integer number (407254848).
Almost surely, 212903112899 is an apocalyptic number.
12903112899 is a deficient number, since it is larger than the sum of its proper divisors (6645119805).
12903112899 is a wasteful number, since it uses less digits than its factorization.
12903112899 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2688 (or 2685 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 45.
The spelling of 12903112899 in words is "twelve billion, nine hundred three million, one hundred twelve thousand, eight hundred ninety-nine".
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