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80746777338 = 2318121742663
BaseRepresentation
bin100101100110011100…
…0100000101011111010
321201102101022021220220
41023030320200223322
52310332133333323
6101032231400510
75555660166003
oct1131470405372
9251371267826
1080746777338
11312764a5a37
1213795b23136
1377caa717b6
143ca000c1aa
152178d310e3
hex12cce20afa

80746777338 has 16 divisors (see below), whose sum is σ = 161502684096. Its totient is φ = 26914070880.

The previous prime is 80746777297. The next prime is 80746777339. The reversal of 80746777338 is 83377764708.

It is not an unprimeable number, because it can be changed into a prime (80746777339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262606 + ... + 480057.

It is an arithmetic number, because the mean of its divisors is an integer number (10093917756).

Almost surely, 280746777338 is an apocalyptic number.

80746777338 is an abundant number, since it is smaller than the sum of its proper divisors (80755906758).

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

80746777338 is a wasteful number, since it uses less digits than its factorization.

80746777338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760789.

The product of its (nonzero) digits is 33191424, while the sum is 60.

The spelling of 80746777338 in words is "eighty billion, seven hundred forty-six million, seven hundred seventy-seven thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 18121 36242 54363 108726 742663 1485326 2227989 4455978 13457796223 26915592446 40373388669 80746777338