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83761641248 = 252617551289
BaseRepresentation
bin100111000000010010…
…1010011011100100000
322000012111022020201012
41032000211103130200
52333020440004443
6102251330400052
76023456126465
oct1160045233440
9260174266635
1083761641248
11325832988aa
1214297730028
137b8b55b73c
1440a85a366c
1522a385e118
hex1380953720

83761641248 has 12 divisors (see below), whose sum is σ = 164905731270. Its totient is φ = 41880820608.

The previous prime is 83761641193. The next prime is 83761641263. The reversal of 83761641248 is 84214616738.

It can be written as a sum of positive squares in only one way, i.e., 57000607504 + 26761033744 = 238748^2 + 163588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83761641196 and 83761641205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308775613 + ... + 1308775676.

Almost surely, 283761641248 is an apocalyptic number.

It is an amenable number.

83761641248 is a deficient number, since it is larger than the sum of its proper divisors (81144090022).

83761641248 is a wasteful number, since it uses less digits than its factorization.

83761641248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617551299 (or 2617551291 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The spelling of 83761641248 in words is "eighty-three billion, seven hundred sixty-one million, six hundred forty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 2617551289 5235102578 10470205156 20940410312 41880820624 83761641248