Base | Representation |
---|---|
bin | 10110100100111010… |
… | …10110111111001111 |
3 | 1011021201111210021212 |
4 | 23102131112333033 |
5 | 144310414040122 |
6 | 5322423445035 |
7 | 606236331164 |
oct | 132235267717 |
9 | 34251453255 |
10 | 12120846287 |
11 | 515a9a1240 |
12 | 24232b677b |
13 | 11b21c69c4 |
14 | 82dab806b |
15 | 4ae191ce2 |
hex | 2d2756fcf |
12120846287 has 16 divisors (see below), whose sum is σ = 13327843200. Its totient is φ = 10931487840.
The previous prime is 12120846281. The next prime is 12120846313. The reversal of 12120846287 is 78264802121.
It is a cyclic number.
It is not a de Polignac number, because 12120846287 - 26 = 12120846223 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12120846281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3100388 + ... + 3104294.
It is an arithmetic number, because the mean of its divisors is an integer number (832990200).
Almost surely, 212120846287 is an apocalyptic number.
12120846287 is a deficient number, since it is larger than the sum of its proper divisors (1206996913).
12120846287 is a wasteful number, since it uses less digits than its factorization.
12120846287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6086.
The product of its (nonzero) digits is 86016, while the sum is 41.
The spelling of 12120846287 in words is "twelve billion, one hundred twenty million, eight hundred forty-six thousand, two hundred eighty-seven".
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