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52780919695 = 571508026277
BaseRepresentation
bin110001001001111111…
…001110101110001111
312001020101121112021121
4301021333032232033
51331043403412240
640125222141411
73545650262230
oct611177165617
9161211545247
1052780919695
11204254a9199
12a290281867
134c91c4933a
1427a9bc9087
15158dab104a
hexc49fceb8f

52780919695 has 8 divisors (see below), whose sum is σ = 72385261344. Its totient is φ = 36192630624.

The previous prime is 52780919669. The next prime is 52780919699. The reversal of 52780919695 is 59691908725.

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

It is a cyclic number.

It is not a de Polignac number, because 52780919695 - 27 = 52780919567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780919699) 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, 754013104 + ... + 754013173.

It is an arithmetic number, because the mean of its divisors is an integer number (9048157668).

Almost surely, 252780919695 is an apocalyptic number.

52780919695 is a deficient number, since it is larger than the sum of its proper divisors (19604341649).

52780919695 is a wasteful number, since it uses less digits than its factorization.

52780919695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508026289.

The product of its (nonzero) digits is 12247200, while the sum is 61.

The spelling of 52780919695 in words is "fifty-two billion, seven hundred eighty million, nine hundred nineteen thousand, six hundred ninety-five".

Divisors: 1 5 7 35 1508026277 7540131385 10556183939 52780919695