Base | Representation |
---|---|
bin | 100110101010100… |
… | …000010101000011 |
3 | 1200012121012010001 |
4 | 212222200111003 |
5 | 2312030123200 |
6 | 144211220431 |
7 | 22034442433 |
oct | 4652402503 |
9 | 1605535101 |
10 | 648676675 |
11 | 303185429 |
12 | 1612a7717 |
13 | a450c86a |
14 | 622182c3 |
15 | 3be3576a |
hex | 26aa0543 |
648676675 has 12 divisors (see below), whose sum is σ = 808448256. Its totient is φ = 516303200.
The previous prime is 648676673. The next prime is 648676709. The reversal of 648676675 is 576676846.
It is not a de Polignac number, because 648676675 - 21 = 648676673 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (648676673) 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, 60931 + ... + 70780.
It is an arithmetic number, because the mean of its divisors is an integer number (67370688).
Almost surely, 2648676675 is an apocalyptic number.
648676675 is a deficient number, since it is larger than the sum of its proper divisors (159771581).
648676675 is a wasteful number, since it uses less digits than its factorization.
648676675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131918 (or 131913 counting only the distinct ones).
The product of its digits is 10160640, while the sum is 55.
The square root of 648676675 is about 25469.1318069541. The cubic root of 648676675 is about 865.6508516653.
The spelling of 648676675 in words is "six hundred forty-eight million, six hundred seventy-six thousand, six hundred seventy-five".
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