Base | Representation |
---|---|
bin | 11000100101001010010… |
… | …100110111111010000011 |
3 | 12222111001002201210002200 |
4 | 120211022110313322003 |
5 | 210133404244230222 |
6 | 3331554340444243 |
7 | 233016120505254 |
oct | 30451224677203 |
9 | 5874032653080 |
10 | 1689169133187 |
11 | 5a1410a36a98 |
12 | 2334573a9683 |
13 | c3398878a43 |
14 | 5ba83106b2b |
15 | 2de14a3ceac |
hex | 1894a537e83 |
1689169133187 has 24 divisors (see below), whose sum is σ = 2518689558528. Its totient is φ = 1089755478000.
The previous prime is 1689169133159. The next prime is 1689169133189. The reversal of 1689169133187 is 7813319619861.
1689169133187 is a `hidden beast` number, since 1 + 68 + 9 + 169 + 1 + 331 + 87 = 666.
It is not a de Polignac number, because 1689169133187 - 224 = 1689152355971 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1689169133189) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13610062 + ... + 13733612.
It is an arithmetic number, because the mean of its divisors is an integer number (104945398272).
Almost surely, 21689169133187 is an apocalyptic number.
1689169133187 is a deficient number, since it is larger than the sum of its proper divisors (829520425341).
1689169133187 is a wasteful number, since it uses less digits than its factorization.
1689169133187 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172591 (or 172588 counting only the distinct ones).
The product of its digits is 11757312, while the sum is 63.
The spelling of 1689169133187 in words is "one trillion, six hundred eighty-nine billion, one hundred sixty-nine million, one hundred thirty-three thousand, one hundred eighty-seven".
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