Base | Representation |
---|---|
bin | 10011111001010011010110… |
… | …111110111110101101100010 |
3 | 102110210222112212200011122112 |
4 | 103321103112332332231202 |
5 | 42432102343212310010 |
6 | 510033131400435322 |
7 | 24300500302142165 |
oct | 2371232676765542 |
9 | 373728485604575 |
10 | 87500680588130 |
11 | 25975915065907 |
12 | 9992274a78b42 |
13 | 39a938160c184 |
14 | 17870ac573adc |
15 | a1b1608a6a05 |
hex | 4f94d6fbeb62 |
87500680588130 has 16 divisors (see below), whose sum is σ = 157501344958200. Its totient is φ = 35000245590912.
The previous prime is 87500680588129. The next prime is 87500680588133. The reversal of 87500680588130 is 3188508600578.
It can be written as a sum of positive squares in 4 ways, for example, as 58765302217609 + 28735378370521 = 7665853^2 + 5360539^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 87500680588130.
It is not an unprimeable number, because it can be changed into a prime (87500680588133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15569846 + ... + 20430894.
Almost surely, 287500680588130 is an apocalyptic number.
87500680588130 is a deficient number, since it is larger than the sum of its proper divisors (70000664370070).
87500680588130 is a wasteful number, since it uses less digits than its factorization.
87500680588130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6661093.
The product of its (nonzero) digits is 12902400, while the sum is 59.
The spelling of 87500680588130 in words is "eighty-seven trillion, five hundred billion, six hundred eighty million, five hundred eighty-eight thousand, one hundred thirty".
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