Base | Representation |
---|---|
bin | 10001001001010111… |
… | …111101010000000000 |
3 | 1202112002022220212000 |
4 | 101021113331100000 |
5 | 300201141324034 |
6 | 12242521104000 |
7 | 1221144643620 |
oct | 211127752000 |
9 | 52462286760 |
10 | 18410886144 |
11 | 7898513292 |
12 | 3699928000 |
13 | 19753b3b91 |
14 | c69226880 |
15 | 72b4bc599 |
hex | 4495fd400 |
18410886144 has 352 divisors, whose sum is σ = 62726630400. Its totient is φ = 5225472000.
The previous prime is 18410886119. The next prime is 18410886157. The reversal of 18410886144 is 44168801481.
18410886144 is a `hidden beast` number, since 18 + 4 + 10 + 8 + 8 + 614 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 18410886144.
It is a congruent number.
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, 48577347 + ... + 48577725.
Almost surely, 218410886144 is an apocalyptic number.
18410886144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18410886144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31363315200).
18410886144 is an abundant number, since it is smaller than the sum of its proper divisors (44315744256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18410886144 is a wasteful number, since it uses less digits than its factorization.
18410886144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666 (or 642 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 45.
The spelling of 18410886144 in words is "eighteen billion, four hundred ten million, eight hundred eighty-six thousand, one hundred forty-four".
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