Base | Representation |
---|---|
bin | 10001000110100100… |
… | …011000000100110101 |
3 | 1202101210202012122212 |
4 | 101012210120010311 |
5 | 300102113410401 |
6 | 12234120103205 |
7 | 1220033544650 |
oct | 210644300465 |
9 | 52353665585 |
10 | 18363810101 |
11 | 787398a36a |
12 | 3686004b05 |
13 | 1968710630 |
14 | c62c90897 |
15 | 7272bddbb |
hex | 446918135 |
18363810101 has 16 divisors (see below), whose sum is σ = 23330700288. Its totient is φ = 14060908800.
The previous prime is 18363810079. The next prime is 18363810107. The reversal of 18363810101 is 10101836381.
It is a cyclic number.
It is not a de Polignac number, because 18363810101 - 26 = 18363810037 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18363810107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3252020 + ... + 3257661.
It is an arithmetic number, because the mean of its divisors is an integer number (1458168768).
Almost surely, 218363810101 is an apocalyptic number.
It is an amenable number.
18363810101 is a deficient number, since it is larger than the sum of its proper divisors (4966890187).
18363810101 is a wasteful number, since it uses less digits than its factorization.
18363810101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6509732.
The product of its (nonzero) digits is 3456, while the sum is 32.
The spelling of 18363810101 in words is "eighteen billion, three hundred sixty-three million, eight hundred ten thousand, one hundred one".
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