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80039278682 = 2112438986423
BaseRepresentation
bin100101010001010110…
…1100111100001011010
321122121002000122012222
41022202231213201122
52302410023404212
6100434115304042
75532306433466
oct1124255474132
9248532018188
1080039278682
1130a430a4800
1213618bab022
13771730823c
143c340814a6
152136b7bc72
hex12a2b6785a

80039278682 has 48 divisors (see below), whose sum is σ = 136553376960. Its totient is φ = 35135728320.

The previous prime is 80039278679. The next prime is 80039278687. The reversal of 80039278682 is 28687293008.

It is a super-2 number, since 2×800392786822 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80039278687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 882923 + ... + 969345.

It is an arithmetic number, because the mean of its divisors is an integer number (2844862020).

Almost surely, 280039278682 is an apocalyptic number.

80039278682 is a deficient number, since it is larger than the sum of its proper divisors (56514098278).

80039278682 is a wasteful number, since it uses less digits than its factorization.

80039278682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86579 (or 86568 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 80039278682 in words is "eighty billion, thirty-nine million, two hundred seventy-eight thousand, six hundred eighty-two".

Divisors: 1 2 11 22 43 86 89 121 178 242 473 946 979 1958 3827 5203 7654 10406 10769 21538 42097 84194 86423 172846 463067 926134 950653 1901306 3716189 7432378 7691647 10457183 15383294 20914366 40878079 81756158 84608117 169216234 330740821 449658869 661481642 899317738 930689287 1861378574 3638149031 7276298062 40019639341 80039278682