Base | Representation |
---|---|
bin | 111100001001110… |
… | …0011100000010000 |
3 | 12012122221221102020 |
4 | 1320103203200100 |
5 | 13113202021310 |
6 | 532141051440 |
7 | 101006023005 |
oct | 17023434020 |
9 | 5178857366 |
10 | 2018392080 |
11 | 946369931 |
12 | 483b56b80 |
13 | 262216953 |
14 | 1520c58ac |
15 | bc2e7170 |
hex | 784e3810 |
2018392080 has 80 divisors (see below), whose sum is σ = 6319041984. Its totient is φ = 532902400.
The previous prime is 2018392073. The next prime is 2018392087. The reversal of 2018392080 is 802938102.
It is an interprime number because it is at equal distance from previous prime (2018392073) and next prime (2018392087).
It is a tau number, because it is divible by the number of its divisors (80).
It is not an unprimeable number, because it can be changed into a prime (2018392087) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17394 + ... + 65873.
Almost surely, 22018392080 is an apocalyptic number.
2018392080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2018392080 is an abundant number, since it is smaller than the sum of its proper divisors (4300649904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2018392080 is a wasteful number, since it uses less digits than its factorization.
2018392080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83384 (or 83378 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 2018392080 is about 44926.5186721607. The cubic root of 2018392080 is about 1263.7713661404.
The spelling of 2018392080 in words is "two billion, eighteen million, three hundred ninety-two thousand, eighty".
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