Base | Representation |
---|---|
bin | 10111010010101101… |
… | …10011010101010000 |
3 | 1012021111100222201000 |
4 | 23221112303111100 |
5 | 201102240101334 |
6 | 5424505342000 |
7 | 621612526461 |
oct | 135126632520 |
9 | 35244328630 |
10 | 12505003344 |
11 | 5337826109 |
12 | 250ba97900 |
13 | 124397c082 |
14 | 868b16d68 |
15 | 4d2c76299 |
hex | 2e95b3550 |
12505003344 has 80 divisors (see below), whose sum is σ = 38005424640. Its totient is φ = 3923136000.
The previous prime is 12505003339. The next prime is 12505003391. The reversal of 12505003344 is 44330050521.
12505003344 is a `hidden beast` number, since 125 + 0 + 500 + 3 + 34 + 4 = 666.
12505003344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844032 + ... + 858719.
It is an arithmetic number, because the mean of its divisors is an integer number (475067808).
Almost surely, 212505003344 is an apocalyptic number.
It is an amenable number.
12505003344 is an abundant number, since it is smaller than the sum of its proper divisors (25500421296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12505003344 is a wasteful number, since it uses less digits than its factorization.
12505003344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1702785 (or 1702773 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 12505003344 its reverse (44330050521), we get a palindrome (56835053865).
The spelling of 12505003344 in words is "twelve billion, five hundred five million, three thousand, three hundred forty-four".
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