Base | Representation |
---|---|
bin | 100010011111… |
… | …0100101010111 |
3 | 1021000200000201 |
4 | 1010332211113 |
5 | 14112112020 |
6 | 1443321331 |
7 | 306460411 |
oct | 104764527 |
9 | 37020021 |
10 | 18082135 |
11 | a230415 |
12 | 6080247 |
13 | 39914b6 |
14 | 25899b1 |
15 | 18c2a0a |
hex | 113e957 |
18082135 has 16 divisors (see below), whose sum is σ = 23112000. Its totient is φ = 13533696.
The previous prime is 18082111. The next prime is 18082151. The reversal of 18082135 is 53128081.
It is a cyclic number.
It is not a de Polignac number, because 18082135 - 27 = 18082007 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16381 + ... + 17449.
It is an arithmetic number, because the mean of its divisors is an integer number (1444500).
Almost surely, 218082135 is an apocalyptic number.
18082135 is a deficient number, since it is larger than the sum of its proper divisors (5029865).
18082135 is a wasteful number, since it uses less digits than its factorization.
18082135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1290.
The product of its (nonzero) digits is 1920, while the sum is 28.
The square root of 18082135 is about 4252.3093725645. The cubic root of 18082135 is about 262.4721542647.
The spelling of 18082135 in words is "eighteen million, eighty-two thousand, one hundred thirty-five".
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