| Base | Representation |
|---|---|
| bin | 1011011100011111… |
| … | …11110110110010000 |
| 3 | 120212020020121001100 |
| 4 | 11232033332312100 |
| 5 | 100041012310030 |
| 6 | 2453421104400 |
| 7 | 305161445232 |
| oct | 55617766620 |
| 9 | 16766217040 |
| 10 | 6144650640 |
| 11 | 2673549a77 |
| 12 | 12359b8100 |
| 13 | 76c043b6b |
| 14 | 424104252 |
| 15 | 25e6ac360 |
| hex | 16e3fed90 |
6144650640 has 120 divisors (see below), whose sum is σ = 20741014008. Its totient is φ = 1630218240.
The previous prime is 6144650627. The next prime is 6144650641. The reversal of 6144650640 is 460564416.
6144650640 is a `hidden beast` number, since 6 + 1 + 4 + 4 + 6 + 5 + 0 + 640 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 3541202064 + 2603448576 = 59508^2 + 51024^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 6144650595 and 6144650604.
It is not an unprimeable number, because it can be changed into a prime (6144650641) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120180 + ... + 163500.
Almost surely, 26144650640 is an apocalyptic number.
6144650640 is a gapful number since it is divisible by the number (60) 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 6144650640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10370507004).
6144650640 is an abundant number, since it is smaller than the sum of its proper divisors (14596363368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6144650640 is a wasteful number, since it uses less digits than its factorization.
6144650640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43537 (or 43528 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 36.
The square root of 6144650640 is about 78387.8220133714. The cubic root of 6144650640 is about 1831.6074383098.
The spelling of 6144650640 in words is "six billion, one hundred forty-four million, six hundred fifty thousand, six hundred forty".
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