Base | Representation |
---|---|
bin | 10000110101000001… |
… | …100101010001110101 |
3 | 1201122021220111211020 |
4 | 100311001211101311 |
5 | 244001241221334 |
6 | 12145003331353 |
7 | 1206531005262 |
oct | 206501452165 |
9 | 51567814736 |
10 | 18069476469 |
11 | 7732826130 |
12 | 3603520b59 |
13 | 191c747a15 |
14 | c35b54269 |
15 | 70b52de49 |
hex | 435065475 |
18069476469 has 32 divisors (see below), whose sum is σ = 26909836800. Its totient is φ = 10690263360.
The previous prime is 18069476429. The next prime is 18069476483. The reversal of 18069476469 is 96467496081.
It is not a de Polignac number, because 18069476469 - 227 = 17935258741 is a prime.
It is a super-2 number, since 2×180694764692 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18069476429) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3770727 + ... + 3775515.
It is an arithmetic number, because the mean of its divisors is an integer number (840932400).
Almost surely, 218069476469 is an apocalyptic number.
It is an amenable number.
18069476469 is a deficient number, since it is larger than the sum of its proper divisors (8840360331).
18069476469 is a wasteful number, since it uses less digits than its factorization.
18069476469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7505.
The product of its (nonzero) digits is 15676416, while the sum is 60.
The spelling of 18069476469 in words is "eighteen billion, sixty-nine million, four hundred seventy-six thousand, four hundred sixty-nine".
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