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78828143343 = 355747174233
BaseRepresentation
bin100100101101010000…
…1100000001011101111
321112110200001120212120
41021122201200023233
52242420001041333
6100114012404023
75460302106615
oct1113241401357
9245420046776
1078828143343
1130481482904
121333b476613
137583415501
143b5b2936b5
1520b5691db3
hex125a8602ef

78828143343 has 8 divisors (see below), whose sum is σ = 105292890288. Its totient is φ = 52457745984.

The previous prime is 78828143341. The next prime is 78828143347. The reversal of 78828143343 is 34334182887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78828143343 - 21 = 78828143341 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78828143341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23585446 + ... + 23588787.

It is an arithmetic number, because the mean of its divisors is an integer number (13161611286).

Almost surely, 278828143343 is an apocalyptic number.

78828143343 is a deficient number, since it is larger than the sum of its proper divisors (26464746945).

78828143343 is a wasteful number, since it uses less digits than its factorization.

78828143343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47174793.

The product of its digits is 3096576, while the sum is 51.

The spelling of 78828143343 in words is "seventy-eight billion, eight hundred twenty-eight million, one hundred forty-three thousand, three hundred forty-three".

Divisors: 1 3 557 1671 47174233 141522699 26276047781 78828143343