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80313187260 = 22351338553121
BaseRepresentation
bin100101011001100001…
…0011111101110111100
321200022011102122011010
41022303002133232330
52303440133443020
6100521222155220
75542143553665
oct1126302375674
9250264378133
1080313187260
1131073778329
1213694882b10
13775bc9c117
143c5c5c236c
152150c34de0
hex12b309fbbc

80313187260 has 24 divisors (see below), whose sum is σ = 224876924496. Its totient is φ = 21416849920.

The previous prime is 80313187259. The next prime is 80313187289. The reversal of 80313187260 is 6278131308.

It is a congruent number.

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, 669276501 + ... + 669276620.

It is an arithmetic number, because the mean of its divisors is an integer number (9369871854).

Almost surely, 280313187260 is an apocalyptic number.

It is an amenable number.

80313187260 is an abundant number, since it is smaller than the sum of its proper divisors (144563737236).

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

80313187260 is a wasteful number, since it uses less digits than its factorization.

80313187260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338553133 (or 1338553131 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 80313187260 in words is "eighty billion, three hundred thirteen million, one hundred eighty-seven thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1338553121 2677106242 4015659363 5354212484 6692765605 8031318726 13385531210 16062637452 20078296815 26771062420 40156593630 80313187260