Base | Representation |
---|---|
bin | 111101110111… |
… | …011111111011 |
3 | 1010111222001122 |
4 | 331313133323 |
5 | 13122434412 |
6 | 1335335455 |
7 | 254565053 |
oct | 75673773 |
9 | 33458048 |
10 | 16218107 |
11 | 91779a4 |
12 | 552158b |
13 | 348ac19 |
14 | 2222563 |
15 | 1655572 |
hex | f777fb |
16218107 has 2 divisors, whose sum is σ = 16218108. Its totient is φ = 16218106.
The previous prime is 16218101. The next prime is 16218127. The reversal of 16218107 is 70181261.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 16218107 - 24 = 16218091 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (16218101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8109053 + 8109054.
It is an arithmetic number, because the mean of its divisors is an integer number (8109054).
Almost surely, 216218107 is an apocalyptic number.
16218107 is a deficient number, since it is larger than the sum of its proper divisors (1).
16218107 is an equidigital number, since it uses as much as digits as its factorization.
16218107 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 26.
The square root of 16218107 is about 4027.1710914735. The cubic root of 16218107 is about 253.1240363119.
Adding to 16218107 its reverse (70181261), we get a palindrome (86399368).
The spelling of 16218107 in words is "sixteen million, two hundred eighteen thousand, one hundred seven".
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