Base | Representation |
---|---|
bin | 1000101000011101111110… |
… | …11010010010011000100000 |
3 | 2111012201121001000100101010 |
4 | 10110032333122102120200 |
5 | 4442003002441222240 |
6 | 104212304040340520 |
7 | 3666311206124355 |
oct | 424167732223040 |
9 | 74181531010333 |
10 | 18982671820320 |
11 | 605956240229a |
12 | 2166b76474740 |
13 | a7909b03b750 |
14 | 498aa270862c |
15 | 22dbb221e280 |
hex | 1143bf692620 |
18982671820320 has 192 divisors, whose sum is σ = 64985846365440. Its totient is φ = 4629789093888.
The previous prime is 18982671820309. The next prime is 18982671820351. The reversal of 18982671820320 is 2302817628981.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13274404 + ... + 14634723.
It is an arithmetic number, because the mean of its divisors is an integer number (338467949820).
Almost surely, 218982671820320 is an apocalyptic number.
18982671820320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18982671820320 is an abundant number, since it is smaller than the sum of its proper divisors (46003174545120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18982671820320 is a wasteful number, since it uses less digits than its factorization.
18982671820320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27909267 (or 27909259 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 57.
The spelling of 18982671820320 in words is "eighteen trillion, nine hundred eighty-two billion, six hundred seventy-one million, eight hundred twenty thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •