Base | Representation |
---|---|
bin | 10110101100101000… |
… | …10001101010110100 |
3 | 1011110020022022010002 |
4 | 23112110101222310 |
5 | 144424001332233 |
6 | 5333055050432 |
7 | 610653446003 |
oct | 132624215264 |
9 | 34406268102 |
10 | 12185574068 |
11 | 5193491178 |
12 | 2440b10a18 |
13 | 11c273a875 |
14 | 838526c3a |
15 | 4b4bca6e8 |
hex | 2d6511ab4 |
12185574068 has 24 divisors (see below), whose sum is σ = 21438884544. Its totient is φ = 6060240000.
The previous prime is 12185574053. The next prime is 12185574077. The reversal of 12185574068 is 86047558121.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847943 + ... + 862193.
It is an arithmetic number, because the mean of its divisors is an integer number (893286856).
Almost surely, 212185574068 is an apocalyptic number.
It is an amenable number.
12185574068 is a deficient number, since it is larger than the sum of its proper divisors (9253310476).
12185574068 is a wasteful number, since it uses less digits than its factorization.
12185574068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15383 (or 15381 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 47.
The spelling of 12185574068 in words is "twelve billion, one hundred eighty-five million, five hundred seventy-four thousand, sixty-eight".
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