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10008517521 = 397129126641
BaseRepresentation
bin10010101001000110…
…11101101110010001
3221211111210100222010
421110203131232101
5130444140030041
64333045133133
7503006665242
oct112443355621
927744710863
1010008517521
114276602392
121b339ba1a9
13c366b0322
146ad33ccc9
153d89e1a16
hex2548ddb91

10008517521 has 16 divisors (see below), whose sum is σ = 13493213888. Its totient is φ = 6598195200.

The previous prime is 10008517513. The next prime is 10008517543. The reversal of 10008517521 is 12571580001.

10008517521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10008517521 - 23 = 10008517513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10008517511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362361 + ... + 389001.

It is an arithmetic number, because the mean of its divisors is an integer number (843325868).

Almost surely, 210008517521 is an apocalyptic number.

It is an amenable number.

10008517521 is a deficient number, since it is larger than the sum of its proper divisors (3484696367).

10008517521 is a wasteful number, since it uses less digits than its factorization.

10008517521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28032.

The product of its (nonzero) digits is 2800, while the sum is 30.

The spelling of 10008517521 in words is "ten billion, eight million, five hundred seventeen thousand, five hundred twenty-one".

Divisors: 1 3 97 291 1291 3873 26641 79923 125227 375681 2584177 7752531 34393531 103180593 3336172507 10008517521