Base | Representation |
---|---|
bin | 10110110011110000… |
… | …01110010110000111 |
3 | 1011121101202011212100 |
4 | 23121320032112013 |
5 | 200034301014122 |
6 | 5343031523143 |
7 | 612310403322 |
oct | 133170162607 |
9 | 34541664770 |
10 | 12245329287 |
11 | 5214195154 |
12 | 2458b294b3 |
13 | 1201c30299 |
14 | 84243d7b9 |
15 | 4ba080aac |
hex | 2d9e0e587 |
12245329287 has 12 divisors (see below), whose sum is σ = 18064032480. Its totient is φ = 7989859968.
The previous prime is 12245329259. The next prime is 12245329289. The reversal of 12245329287 is 78292354221.
12245329287 is a `hidden beast` number, since 1 + 2 + 2 + 45 + 329 + 287 = 666.
It is not a de Polignac number, because 12245329287 - 223 = 12236940679 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12245329289) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14473962 + ... + 14474807.
It is an arithmetic number, because the mean of its divisors is an integer number (1505336040).
Almost surely, 212245329287 is an apocalyptic number.
12245329287 is a deficient number, since it is larger than the sum of its proper divisors (5818703193).
12245329287 is a wasteful number, since it uses less digits than its factorization.
12245329287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28948822 (or 28948819 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The spelling of 12245329287 in words is "twelve billion, two hundred forty-five million, three hundred twenty-nine thousand, two hundred eighty-seven".
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