Base | Representation |
---|---|
bin | 1101101111111101… |
… | …10011110100011010 |
3 | 201001102220100000000 |
4 | 12313332303310122 |
5 | 110104201204002 |
6 | 3220250353430 |
7 | 350632046250 |
oct | 66776636432 |
9 | 21042810000 |
10 | 7381663002 |
11 | 314883573a |
12 | 152012b876 |
13 | 9083c703c |
14 | 50050a5d0 |
15 | 2d30a961c |
hex | 1b7fb3d1a |
7381663002 has 72 divisors (see below), whose sum is σ = 18980690976. Its totient is φ = 2109020328.
The previous prime is 7381662989. The next prime is 7381663013. The reversal of 7381663002 is 2003661837.
It is a happy number.
7381663002 is a `hidden beast` number, since 7 + 3 + 8 + 16 + 630 + 0 + 2 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51673 + ... + 132035.
It is an arithmetic number, because the mean of its divisors is an integer number (263620708).
Almost surely, 27381663002 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7381663002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9490345488).
7381663002 is an abundant number, since it is smaller than the sum of its proper divisors (11599027974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7381663002 is an frugal number, since it uses more digits than its factorization.
7381663002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80396 (or 80375 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 7381663002 is about 85916.6049259397. The cubic root of 7381663002 is about 1947.0842245516.
The spelling of 7381663002 in words is "seven billion, three hundred eighty-one million, six hundred sixty-three thousand, two".
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