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52115690469 = 3115115092873
BaseRepresentation
bin110000100010010101…
…100101001111100101
311222112000212101100010
4300202111211033211
51323213104043334
635535220040433
73523322026353
oct604225451745
9158460771303
1052115690469
1120113a48677
12a125533119
134bb719258b
1427457027d3
1515504ab0e9
hexc225653e5

52115690469 has 8 divisors (see below), whose sum is σ = 69547963392. Its totient is φ = 34713605600.

The previous prime is 52115690447. The next prime is 52115690477. The reversal of 52115690469 is 96409651125.

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 52115690469 - 25 = 52115690437 is a prime.

It is a super-2 number, since 2×521156904692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52115690479) 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, 7542984 + ... + 7549889.

It is an arithmetic number, because the mean of its divisors is an integer number (8693495424).

Almost surely, 252115690469 is an apocalyptic number.

It is an amenable number.

52115690469 is a deficient number, since it is larger than the sum of its proper divisors (17432272923).

52115690469 is a wasteful number, since it uses less digits than its factorization.

52115690469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15094027.

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 52115690469 in words is "fifty-two billion, one hundred fifteen million, six hundred ninety thousand, four hundred sixty-nine".

Divisors: 1 3 1151 3453 15092873 45278619 17371896823 52115690469