Base | Representation |
---|---|
bin | 1011001011000111000100… |
… | …1000111110010011000100 |
3 | 1121111111000221102202200100 |
4 | 2302301301020332103010 |
5 | 3102241203142104132 |
6 | 42043514413244100 |
7 | 2405412154314525 |
oct | 262616110762304 |
9 | 47444027382610 |
10 | 12285504644292 |
11 | 3a072870a8890 |
12 | 146501a793630 |
13 | 6b16973c2429 |
14 | 30689b94084c |
15 | 164892c4e37c |
hex | b2c7123e4c4 |
12285504644292 has 72 divisors (see below), whose sum is σ = 34599022803072. Its totient is φ = 3643669972800.
The previous prime is 12285504644291. The next prime is 12285504644359. The reversal of 12285504644292 is 29244640558221.
12285504644292 is a `hidden beast` number, since 1 + 2 + 2 + 8 + 5 + 50 + 464 + 42 + 92 = 666.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (12285504644291) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330023959 + ... + 330061182.
It is an arithmetic number, because the mean of its divisors is an integer number (480541983376).
Almost surely, 212285504644292 is an apocalyptic number.
12285504644292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12285504644292 is an abundant number, since it is smaller than the sum of its proper divisors (22313518158780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12285504644292 is a wasteful number, since it uses less digits than its factorization.
12285504644292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 660085209 (or 660085204 counting only the distinct ones).
The product of its (nonzero) digits is 11059200, while the sum is 54.
The spelling of 12285504644292 in words is "twelve trillion, two hundred eighty-five billion, five hundred four million, six hundred forty-four thousand, two hundred ninety-two".
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