Base | Representation |
---|---|
bin | 10110101010101100… |
… | …01010001010110001 |
3 | 1011102002200000010220 |
4 | 23111112022022301 |
5 | 144410314243132 |
6 | 5331314043253 |
7 | 610365155544 |
oct | 132526121261 |
9 | 34362600126 |
10 | 12169290417 |
11 | 518527a009 |
12 | 2437579529 |
13 | 11bc258b7b |
14 | 8362c885b |
15 | 4b3560a2c |
hex | 2d558a2b1 |
12169290417 has 16 divisors (see below), whose sum is σ = 16692445440. Its totient is φ = 7880239872.
The previous prime is 12169290389. The next prime is 12169290437. The reversal of 12169290417 is 71409296121.
It is not a de Polignac number, because 12169290417 - 218 = 12169028273 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12169290437) 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, 26617 + ... + 158262.
It is an arithmetic number, because the mean of its divisors is an integer number (1043277840).
Almost surely, 212169290417 is an apocalyptic number.
It is an amenable number.
12169290417 is a deficient number, since it is larger than the sum of its proper divisors (4523155023).
12169290417 is a wasteful number, since it uses less digits than its factorization.
12169290417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185512.
The product of its (nonzero) digits is 54432, while the sum is 42.
The spelling of 12169290417 in words is "twelve billion, one hundred sixty-nine million, two hundred ninety thousand, four hundred seventeen".
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