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52019689765 = 549121189283
BaseRepresentation
bin110000011100100111…
…010111100100100101
311222021100020001010111
4300130213113210211
51323014020033030
635521510253021
73521045032051
oct603447274445
9158240201114
1052019689765
112007483894a
12a0b9357171
134ba031c224
142736a72c61
151546d4662a
hexc1c9d7925

52019689765 has 8 divisors (see below), whose sum is σ = 62550766368. Its totient is φ = 41530992720.

The previous prime is 52019689753. The next prime is 52019689811. The reversal of 52019689765 is 56798691025.

52019689765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52019689765 - 27 = 52019689637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10592187 + ... + 10597096.

It is an arithmetic number, because the mean of its divisors is an integer number (7818845796).

Almost surely, 252019689765 is an apocalyptic number.

It is an amenable number.

52019689765 is a deficient number, since it is larger than the sum of its proper divisors (10531076603).

52019689765 is a wasteful number, since it uses less digits than its factorization.

52019689765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21189779.

The product of its (nonzero) digits is 8164800, while the sum is 58.

It can be divided in two parts, 520196 and 89765, that added together give a square (609961 = 7812).

The spelling of 52019689765 in words is "fifty-two billion, nineteen million, six hundred eighty-nine thousand, seven hundred sixty-five".

Divisors: 1 5 491 2455 21189283 105946415 10403937953 52019689765