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2132105805385 = 513118117984107
BaseRepresentation
bin11111000001101011011…
…010001011111001001001
321112211100010020002111221
4133001223122023321021
5234413023041233020
64311250442522041
7310016366215513
oct37015332137111
97484303202457
102132105805385
11752248163746
122a5271b06321
131260977aa29a
14752a18b6bb3
153a6dab536aa
hex1f06b68be49

2132105805385 has 16 divisors (see below), whose sum is σ = 2592301263552. Its totient is φ = 1683312321600.

The previous prime is 2132105805317. The next prime is 2132105805413. The reversal of 2132105805385 is 5835085012312.

It is a de Polignac number, because none of the positive numbers 2k-2132105805385 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8873499 + ... + 9110608.

It is an arithmetic number, because the mean of its divisors is an integer number (162018828972).

Almost surely, 22132105805385 is an apocalyptic number.

It is an amenable number.

2132105805385 is a deficient number, since it is larger than the sum of its proper divisors (460195458167).

2132105805385 is a wasteful number, since it uses less digits than its factorization.

2132105805385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17984424.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 2132105805385 in words is "two trillion, one hundred thirty-two billion, one hundred five million, eight hundred five thousand, three hundred eighty-five".

Divisors: 1 5 131 181 655 905 23711 118555 17984107 89920535 2355918017 3255123367 11779590085 16275616835 426421161077 2132105805385