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52780702718 = 2191388965861
BaseRepresentation
bin110001001001111110…
…011001101111111110
312001020101012111122102
4301021332121233332
51331043324441333
640125213345102
73545645366522
oct611176315776
9161211174572
1052780702718
1120425370177
12a290198192
134c91ba1653
1427a9b6dd82
15158da6bae8
hexc49f99bfe

52780702718 has 8 divisors (see below), whose sum is σ = 83337951720. Its totient is φ = 25001385480.

The previous prime is 52780702717. The next prime is 52780702747. The reversal of 52780702718 is 81720708725.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780702717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694482893 + ... + 694482968.

It is an arithmetic number, because the mean of its divisors is an integer number (10417243965).

Almost surely, 252780702718 is an apocalyptic number.

52780702718 is a deficient number, since it is larger than the sum of its proper divisors (30557249002).

52780702718 is a wasteful number, since it uses less digits than its factorization.

52780702718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388965882.

The product of its (nonzero) digits is 439040, while the sum is 47.

The spelling of 52780702718 in words is "fifty-two billion, seven hundred eighty million, seven hundred two thousand, seven hundred eighteen".

Divisors: 1 2 19 38 1388965861 2777931722 26390351359 52780702718