Base | Representation |
---|---|
bin | 110110100010011… |
… | …1001011000101001 |
3 | 11201112110122022001 |
4 | 1231010321120221 |
5 | 12221440001134 |
6 | 501331131001 |
7 | 63230513314 |
oct | 15504713051 |
9 | 4645418261 |
10 | 1830000169 |
11 | 859a95238 |
12 | 430a43a61 |
13 | 23219514a |
14 | 13508597b |
15 | aa9d2414 |
hex | 6d139629 |
1830000169 has 4 divisors (see below), whose sum is σ = 1830741444. Its totient is φ = 1829258896.
The previous prime is 1830000167. The next prime is 1830000187. The reversal of 1830000169 is 9610000381.
1830000169 = T34927 + T34928 + T34929.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9610000381 = 92581 ⋅103801.
It can be written as a sum of positive squares in 2 ways, for example, as 309936025 + 1520064144 = 17605^2 + 38988^2 .
It is a cyclic number.
It is not a de Polignac number, because 1830000169 - 21 = 1830000167 is a prime.
It is a super-2 number, since 2×18300001692 = 6697801237080057122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1830000167) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366922 + ... + 371875.
It is an arithmetic number, because the mean of its divisors is an integer number (457685361).
Almost surely, 21830000169 is an apocalyptic number.
1830000169 is the 34929-th centered triangular number.
It is an amenable number.
1830000169 is a deficient number, since it is larger than the sum of its proper divisors (741275).
1830000169 is an equidigital number, since it uses as much as digits as its factorization.
1830000169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 741274.
The product of its (nonzero) digits is 1296, while the sum is 28.
The square root of 1830000169 is about 42778.5012477062. The cubic root of 1830000169 is about 1223.1612383460.
The spelling of 1830000169 in words is "one billion, eight hundred thirty million, one hundred sixty-nine", and thus it is an aban number.
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