Base | Representation |
---|---|
bin | 10000110101110100… |
… | …011010111111011100 |
3 | 1201200012222121022111 |
4 | 100311310122333130 |
5 | 244013144204201 |
6 | 12150201123404 |
7 | 1210052203150 |
oct | 206564327734 |
9 | 51605877274 |
10 | 18082803676 |
11 | 773a2a9053 |
12 | 3607a89564 |
13 | 1922432b42 |
14 | c37823060 |
15 | 70c7b2b51 |
hex | 435d1afdc |
18082803676 has 12 divisors (see below), whose sum is σ = 36165607408. Its totient is φ = 7749772992.
The previous prime is 18082803667. The next prime is 18082803679. The reversal of 18082803676 is 67630828081.
18082803676 is an admirable number.
It is a super-2 number, since 2×180828036762 (a number of 21 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18082803679) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322907181 + ... + 322907236.
Almost surely, 218082803676 is an apocalyptic number.
It is an amenable number.
18082803676 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18082803676 is a wasteful number, since it uses less digits than its factorization.
18082803676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645814428 (or 645814426 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 49.
The spelling of 18082803676 in words is "eighteen billion, eighty-two million, eight hundred three thousand, six hundred seventy-six".
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