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82803287805 = 3575314879297
BaseRepresentation
bin100110100011101110…
…1011110011011111101
321220201200222211221020
41031013131132123331
52324040120202210
6102012253454353
75660641222230
oct1150735363375
9256650884836
1082803287805
113213132a767
121406a7a13b9
137a67b436b4
1440171b7417
152249657770
hex134775e6fd

82803287805 has 32 divisors (see below), whose sum is σ = 154268561664. Its totient is φ = 37138722816.

The previous prime is 82803287783. The next prime is 82803287813. The reversal of 82803287805 is 50878230828.

It is not a de Polignac number, because 82803287805 - 25 = 82803287773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7434084 + ... + 7445213.

It is an arithmetic number, because the mean of its divisors is an integer number (4820892552).

Almost surely, 282803287805 is an apocalyptic number.

It is an amenable number.

82803287805 is a deficient number, since it is larger than the sum of its proper divisors (71465273859).

82803287805 is a wasteful number, since it uses less digits than its factorization.

82803287805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14879365.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 82803287805 in words is "eighty-two billion, eight hundred three million, two hundred eighty-seven thousand, eight hundred five".

Divisors: 1 3 5 7 15 21 35 53 105 159 265 371 795 1113 1855 5565 14879297 44637891 74396485 104155079 223189455 312465237 520775395 788602741 1562326185 2365808223 3943013705 5520219187 11829041115 16560657561 27601095935 82803287805