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80214887782 = 2971447285749
BaseRepresentation
bin100101010110100101…
…1100000110101100110
321200001022110111121201
41022231023200311212
52303240002402112
6100503351233114
75536541203411
oct1125513406546
9250038414551
1080214887782
1131023238497
121366797879a
137744802653
143c4d514b78
1521472b9257
hex12ad2e0d66

80214887782 has 16 divisors (see below), whose sum is σ = 121647204000. Its totient is φ = 39666394368.

The previous prime is 80214887761. The next prime is 80214887783. The reversal of 80214887782 is 28778841208.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80214887783) 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, 137844 + ... + 423592.

It is an arithmetic number, because the mean of its divisors is an integer number (7602950250).

Almost surely, 280214887782 is an apocalyptic number.

80214887782 is a deficient number, since it is larger than the sum of its proper divisors (41432316218).

80214887782 is a wasteful number, since it uses less digits than its factorization.

80214887782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287295.

The product of its (nonzero) digits is 3211264, while the sum is 55.

The spelling of 80214887782 in words is "eighty billion, two hundred fourteen million, eight hundred eighty-seven thousand, seven hundred eighty-two".

Divisors: 1 2 97 194 1447 2894 140359 280718 285749 571498 27717653 55435306 413478803 826957606 40107443891 80214887782