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85683616580 = 22517901127967
BaseRepresentation
bin100111111001100100…
…1000011101101000100
322012011102211201012202
41033303021003231010
52400440001212310
6103210145134032
76122214503222
oct1176311035504
9265142751182
1085683616580
113337a193371
121473332a318
1381067b7853
14420b94bb12
15236745d3a5
hex13f3243b44

85683616580 has 48 divisors (see below), whose sum is σ = 190547997696. Its totient is φ = 32252628480.

The previous prime is 85683616573. The next prime is 85683616591. The reversal of 85683616580 is 8561638658.

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, 3049757 + ... + 3077723.

It is an arithmetic number, because the mean of its divisors is an integer number (3969749952).

Almost surely, 285683616580 is an apocalyptic number.

It is an amenable number.

85683616580 is an abundant number, since it is smaller than the sum of its proper divisors (104864381116).

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

85683616580 is a wasteful number, since it uses less digits than its factorization.

85683616580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37004 (or 37002 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 85683616580 in words is "eighty-five billion, six hundred eighty-three million, six hundred sixteen thousand, five hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 9011 18022 27967 36044 45055 55934 90110 111868 139835 153187 180220 279670 306374 475439 559340 612748 765935 950878 1531870 1901756 2377195 3063740 4754390 9508780 252010637 504021274 1008042548 1260053185 2520106370 4284180829 5040212740 8568361658 17136723316 21420904145 42841808290 85683616580