Base | Representation |
---|---|
bin | 111111001000011… |
… | …1000010010000000 |
3 | 12110122001112110100 |
4 | 1332100320102000 |
5 | 13314244312143 |
6 | 550111402400 |
7 | 103331466216 |
oct | 17620702200 |
9 | 5418045410 |
10 | 2118354048 |
11 | 997834828 |
12 | 4b1523400 |
13 | 279b46045 |
14 | 1614a6cb6 |
15 | c5e906d3 |
hex | 7e438480 |
2118354048 has 96 divisors (see below), whose sum is σ = 6150107340. Its totient is φ = 699826176.
The previous prime is 2118354047. The next prime is 2118354067. The reversal of 2118354048 is 8404538112.
2118354048 is a `hidden beast` number, since 211 + 8 + 35 + 404 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2116736064 + 1617984 = 46008^2 + 1272^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2118354041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122040 + ... + 138312.
Almost surely, 22118354048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2118354048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3075053670).
2118354048 is an abundant number, since it is smaller than the sum of its proper divisors (4031753292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2118354048 is a wasteful number, since it uses less digits than its factorization.
2118354048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16406 (or 16391 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 2118354048 is about 46025.5803657053. The cubic root of 2118354048 is about 1284.2991121944.
The spelling of 2118354048 in words is "two billion, one hundred eighteen million, three hundred fifty-four thousand, forty-eight".
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