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87500680588130 = 2518000374861049
BaseRepresentation
bin10011111001010011010110…
…111110111110101101100010
3102110210222112212200011122112
4103321103112332332231202
542432102343212310010
6510033131400435322
724300500302142165
oct2371232676765542
9373728485604575
1087500680588130
1125975915065907
129992274a78b42
1339a938160c184
1417870ac573adc
15a1b1608a6a05
hex4f94d6fbeb62

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".

Divisors: 1 2 5 10 1800037 3600074 4861049 9000185 9722098 18000370 24305245 48610490 8750068058813 17500136117626 43750340294065 87500680588130