Base | Representation |
---|---|
bin | 110000111000011… |
… | …1000001100111000 |
3 | 11020022022221121122 |
4 | 1201300320030320 |
5 | 11324342444224 |
6 | 430431124412 |
7 | 55434332063 |
oct | 14160701470 |
9 | 4208287548 |
10 | 1640203064 |
11 | 771940925 |
12 | 399373708 |
13 | 201a70b76 |
14 | 117b9b8da |
15 | 98ee115e |
hex | 61c38338 |
1640203064 has 16 divisors (see below), whose sum is σ = 3077173320. Its totient is φ = 819623520.
The previous prime is 1640203043. The next prime is 1640203069. The reversal of 1640203064 is 4603020461.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1640203069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44954 + ... + 72809.
Almost surely, 21640203064 is an apocalyptic number.
It is an amenable number.
1640203064 is a deficient number, since it is larger than the sum of its proper divisors (1436970256).
1640203064 is a wasteful number, since it uses less digits than its factorization.
1640203064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119510 (or 119506 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 26.
The square root of 1640203064 is about 40499.4205390645. The cubic root of 1640203064 is about 1179.3223783504.
The spelling of 1640203064 in words is "one billion, six hundred forty million, two hundred three thousand, sixty-four".
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