Base | Representation |
---|---|
bin | 10110100000000011… |
… | …00101101110111001 |
3 | 1011011212200012110220 |
4 | 23100001211232321 |
5 | 144214440342332 |
6 | 5314404330253 |
7 | 605232260340 |
oct | 132001455671 |
9 | 34155605426 |
10 | 12080012217 |
11 | 5139940a79 |
12 | 24116a3989 |
13 | 11a68ca630 |
14 | 8284c8b57 |
15 | 4aa7c7d2c |
hex | 2d0065bb9 |
12080012217 has 16 divisors (see below), whose sum is σ = 19823610240. Its totient is φ = 6371874432.
The previous prime is 12080012149. The next prime is 12080012363. The reversal of 12080012217 is 71221008021.
It is not a de Polignac number, because 12080012217 - 214 = 12079995833 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12080012117) 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, 22124292 + ... + 22124837.
It is an arithmetic number, because the mean of its divisors is an integer number (1238975640).
Almost surely, 212080012217 is an apocalyptic number.
It is an amenable number.
12080012217 is a deficient number, since it is larger than the sum of its proper divisors (7743598023).
12080012217 is a wasteful number, since it uses less digits than its factorization.
12080012217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44249152.
The product of its (nonzero) digits is 448, while the sum is 24.
The spelling of 12080012217 in words is "twelve billion, eighty million, twelve thousand, two hundred seventeen".
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