Base | Representation |
---|---|
bin | 10110101010010011… |
… | …11101010111110111 |
3 | 1011101212122112010100 |
4 | 23111021331113313 |
5 | 144404004423104 |
6 | 5331121325143 |
7 | 610326035535 |
oct | 132511752767 |
9 | 34355575110 |
10 | 12166092279 |
11 | 5183495220 |
12 | 24364967b3 |
13 | 11bb6a9293 |
14 | 835ad5155 |
15 | 4b312d139 |
hex | 2d527d5f7 |
12166092279 has 48 divisors (see below), whose sum is σ = 20488515840. Its totient is φ = 6874702080.
The previous prime is 12166092247. The next prime is 12166092287. The reversal of 12166092279 is 97229066121.
12166092279 is a `hidden beast` number, since 1 + 2 + 16 + 609 + 2 + 27 + 9 = 666.
It is not a de Polignac number, because 12166092279 - 25 = 12166092247 is a prime.
It is a super-2 number, since 2×121660922792 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12166092299) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146302 + ... + 213860.
It is an arithmetic number, because the mean of its divisors is an integer number (426844080).
Almost surely, 212166092279 is an apocalyptic number.
12166092279 is a deficient number, since it is larger than the sum of its proper divisors (8322423561).
12166092279 is a wasteful number, since it uses less digits than its factorization.
12166092279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67700 (or 67697 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The spelling of 12166092279 in words is "twelve billion, one hundred sixty-six million, ninety-two thousand, two hundred seventy-nine".
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