Base | Representation |
---|---|
bin | 100010100011… |
… | …0010111100011 |
3 | 1021002021202121 |
4 | 1011012113203 |
5 | 14114122034 |
6 | 1444125111 |
7 | 306652360 |
oct | 105062743 |
9 | 37067677 |
10 | 18114019 |
11 | a252370 |
12 | 6096797 |
13 | 39a2b71 |
14 | 2597467 |
15 | 18cc1b4 |
hex | 11465e3 |
18114019 has 16 divisors (see below), whose sum is σ = 22680576. Its totient is φ = 14054400.
The previous prime is 18113987. The next prime is 18114023. The reversal of 18114019 is 91041181.
It is a cyclic number.
It is not a de Polignac number, because 18114019 - 25 = 18113987 is a prime.
It is a super-2 number, since 2×181140192 = 656235368664722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18113984 and 18114002.
It is not an unprimeable number, because it can be changed into a prime (18114029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27939 + ... + 28579.
It is an arithmetic number, because the mean of its divisors is an integer number (1417536).
Almost surely, 218114019 is an apocalyptic number.
18114019 is a deficient number, since it is larger than the sum of its proper divisors (4566557).
18114019 is a wasteful number, since it uses less digits than its factorization.
18114019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1026.
The product of its (nonzero) digits is 288, while the sum is 25.
The square root of 18114019 is about 4256.0567430428. The cubic root of 18114019 is about 262.6263349555.
The spelling of 18114019 in words is "eighteen million, one hundred fourteen thousand, nineteen".
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