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52217396551 = 193469792241
BaseRepresentation
bin110000101000011001…
…100011110101000111
311222210010020120212001
4300220121203311013
51323420123142201
635553252010131
73525665355505
oct605031436507
9158703216761
1052217396551
11201663a4991
12a153600947
134c022827a8
142755019675
15155939b301
hexc28663d47

52217396551 has 8 divisors (see below), whose sum is σ = 54981594800. Its totient is φ = 49454789760.

The previous prime is 52217396531. The next prime is 52217396563. The reversal of 52217396551 is 15569371225.

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 52217396551 - 217 = 52217265479 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 (52217396531) 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, 330210 + ... + 462031.

It is an arithmetic number, because the mean of its divisors is an integer number (6872699350).

Almost surely, 252217396551 is an apocalyptic number.

52217396551 is a deficient number, since it is larger than the sum of its proper divisors (2764198249).

52217396551 is a wasteful number, since it uses less digits than its factorization.

52217396551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795729.

The product of its digits is 567000, while the sum is 46.

The spelling of 52217396551 in words is "fifty-two billion, two hundred seventeen million, three hundred ninety-six thousand, five hundred fifty-one".

Divisors: 1 19 3469 65911 792241 15052579 2748284029 52217396551