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2730716885 = 513172471237
BaseRepresentation
bin1010001011000011…
…0110111011010101
321001022022210100102
42202300312323111
521043030420020
61130544423445
7124445465501
oct24260667325
97038283312
102730716885
111181467016
12642617b85
1334697cb10
141bc94b301
1510eb01475
hexa2c36ed5

2730716885 has 16 divisors (see below), whose sum is σ = 3736511856. Its totient is φ = 1897909248.

The previous prime is 2730716867. The next prime is 2730716897. The reversal of 2730716885 is 5886170372.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 314601169 + 2416115716 = 17737^2 + 49154^2 .

It is a cyclic number.

It is not a de Polignac number, because 2730716885 - 228 = 2462281429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1234514 + ... + 1236723.

It is an arithmetic number, because the mean of its divisors is an integer number (233531991).

Almost surely, 22730716885 is an apocalyptic number.

It is an amenable number.

2730716885 is a deficient number, since it is larger than the sum of its proper divisors (1005794971).

2730716885 is a wasteful number, since it uses less digits than its factorization.

2730716885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471272.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 2730716885 is about 52256.2616822137. The cubic root of 2730716885 is about 1397.7373118371.

The spelling of 2730716885 in words is "two billion, seven hundred thirty million, seven hundred sixteen thousand, eight hundred eighty-five".

Divisors: 1 5 13 17 65 85 221 1105 2471237 12356185 32126081 42011029 160630405 210055145 546143377 2730716885