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82505785776 = 2432816116977
BaseRepresentation
bin100110011010110111…
…0100110000110110000
321212221222012011212120
41030311232212012300
52322432440121101
6101522545154240
75650366415331
oct1146556460660
9255858164776
1082505785776
1131a99402017
1213ba702b980
137a1b30b8ab
143dc9894288
15222d48db36
hex1335ba61b0

82505785776 has 40 divisors (see below), whose sum is σ = 213898486704. Its totient is φ = 27404052480.

The previous prime is 82505785759. The next prime is 82505785807. The reversal of 82505785776 is 67758750528.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3045001 + ... + 3071976.

Almost surely, 282505785776 is an apocalyptic number.

It is an amenable number.

82505785776 is an abundant number, since it is smaller than the sum of its proper divisors (131392700928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82505785776 is a wasteful number, since it uses less digits than its factorization.

82505785776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117269 (or 6117263 counting only the distinct ones).

The product of its (nonzero) digits is 32928000, while the sum is 60.

The spelling of 82505785776 in words is "eighty-two billion, five hundred five million, seven hundred eighty-five thousand, seven hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 281 562 843 1124 1686 2248 3372 4496 6744 13488 6116977 12233954 18350931 24467908 36701862 48935816 73403724 97871632 146807448 293614896 1718870537 3437741074 5156611611 6875482148 10313223222 13750964296 20626446444 27501928592 41252892888 82505785776