Base | Representation |
---|---|
bin | 10000111010111101… |
… | …011011001111100010 |
3 | 1201220020021101010211 |
4 | 100322331123033202 |
5 | 244202234100312 |
6 | 12202521444334 |
7 | 1212150243331 |
oct | 207275331742 |
9 | 51806241124 |
10 | 18169050082 |
11 | 7783a56277 |
12 | 36309406aa |
13 | 193726c411 |
14 | c45073d18 |
15 | 71514c3a7 |
hex | 43af5b3e2 |
18169050082 has 8 divisors (see below), whose sum is σ = 27254153052. Its totient is φ = 9084332400.
The previous prime is 18169050061. The next prime is 18169050127. The reversal of 18169050082 is 28005096181.
It can be written as a sum of positive squares in 2 ways, for example, as 17975033041 + 194017041 = 134071^2 + 13929^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×181690500822 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109732 + ... + 219952.
Almost surely, 218169050082 is an apocalyptic number.
18169050082 is a deficient number, since it is larger than the sum of its proper divisors (9085102970).
18169050082 is a wasteful number, since it uses less digits than its factorization.
18169050082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192644.
The product of its (nonzero) digits is 34560, while the sum is 40.
The spelling of 18169050082 in words is "eighteen billion, one hundred sixty-nine million, fifty thousand, eighty-two".
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