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52005185329 = 71732467399
BaseRepresentation
bin110000011011110000…
…000010011100110001
311222020022221010210011
4300123300002130301
51323001311412304
635520231334521
73520510532056
oct603360023461
9158208833704
1052005185329
1120067631509
12a0b4521441
134b9a311316
142734b7902d
15154592dc04
hexc1bc02731

52005185329 has 4 divisors (see below), whose sum is σ = 52737652800. Its totient is φ = 51272717860.

The previous prime is 52005185311. The next prime is 52005185347. The reversal of 52005185329 is 92358150025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52005185311) and next prime (52005185347).

It is a cyclic number.

It is not a de Polignac number, because 52005185329 - 231 = 49857701681 is a prime.

It is a super-2 number, since 2×520051853292 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52005185291 and 52005185300.

It is not an unprimeable number, because it can be changed into a prime (52005188329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366233629 + ... + 366233770.

It is an arithmetic number, because the mean of its divisors is an integer number (13184413200).

Almost surely, 252005185329 is an apocalyptic number.

It is an amenable number.

52005185329 is a deficient number, since it is larger than the sum of its proper divisors (732467471).

52005185329 is an equidigital number, since it uses as much as digits as its factorization.

52005185329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732467470.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 52005185329 in words is "fifty-two billion, five million, one hundred eighty-five thousand, three hundred twenty-nine".

Divisors: 1 71 732467399 52005185329