Base | Representation |
---|---|
bin | 101001101111110110000… |
… | …110111000100100111001 |
3 | 101011021001122011011002200 |
4 | 221233312012320210321 |
5 | 334000422234424134 |
6 | 10033535223220413 |
7 | 414161220141543 |
oct | 51576606704471 |
9 | 11137048134080 |
10 | 2868872186169 |
11 | a06755615400 |
12 | 3a400b5a7709 |
13 | 17a6c20b9812 |
14 | 9cbd5b2c693 |
15 | 4e95c8a3499 |
hex | 29bf61b8939 |
2868872186169 has 36 divisors (see below), whose sum is σ = 4572213854208. Its totient is φ = 1732099176720.
The previous prime is 2868872186129. The next prime is 2868872186207. The reversal of 2868872186169 is 9616812788682.
2868872186169 is a `hidden beast` number, since 286 + 8 + 8 + 7 + 2 + 186 + 169 = 666.
It is not a de Polignac number, because 2868872186169 - 28 = 2868872185913 is a prime.
It is a super-2 number, since 2×28688721861692 (a number of 26 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2868872186097 and 2868872186106.
It is not an unprimeable number, because it can be changed into a prime (2868872186129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4721977 + ... + 5294790.
Almost surely, 22868872186169 is an apocalyptic number.
It is an amenable number.
2868872186169 is a deficient number, since it is larger than the sum of its proper divisors (1703341668039).
2868872186169 is a wasteful number, since it uses less digits than its factorization.
2868872186169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10017058 (or 10017044 counting only the distinct ones).
The product of its digits is 222953472, while the sum is 72.
The spelling of 2868872186169 in words is "two trillion, eight hundred sixty-eight billion, eight hundred seventy-two million, one hundred eighty-six thousand, one hundred sixty-nine".
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