Base | Representation |
---|---|
bin | 10111011001111000… |
… | …01011001100100100 |
3 | 1012102200111211210210 |
4 | 23230330023030210 |
5 | 201213133211233 |
6 | 5434454215420 |
7 | 623242601046 |
oct | 135474131444 |
9 | 35380454723 |
10 | 12565132068 |
11 | 5368764775 |
12 | 2528054570 |
13 | 12532727b8 |
14 | 872ac9a96 |
15 | 4d81a2163 |
hex | 2ecf0b324 |
12565132068 has 48 divisors (see below), whose sum is σ = 30421564544. Its totient is φ = 4033152000.
The previous prime is 12565132049. The next prime is 12565132103. The reversal of 12565132068 is 86023156521.
12565132068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 102808 + ... + 188943.
Almost surely, 212565132068 is an apocalyptic number.
It is an amenable number.
12565132068 is an abundant number, since it is smaller than the sum of its proper divisors (17856432476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12565132068 is a wasteful number, since it uses less digits than its factorization.
12565132068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 291892 (or 291890 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 39.
Adding to 12565132068 its reverse (86023156521), we get a palindrome (98588288589).
The spelling of 12565132068 in words is "twelve billion, five hundred sixty-five million, one hundred thirty-two thousand, sixty-eight".
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