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52513314331 = 193178718797
BaseRepresentation
bin110000111010000010…
…011001011000011011
312000112202001202201211
4300322002121120123
51330021402024311
640042502323551
73536220543532
oct607202313033
9160482052654
1052513314331
11202a8440335
12a2167295b7
134c4b68147a
142782449319
151575350821
hexc3a09961b

52513314331 has 8 divisors (see below), whose sum is σ = 55451555280. Its totient is φ = 49592511648.

The previous prime is 52513314319. The next prime is 52513314353. The reversal of 52513314331 is 13341331525.

It is a happy number.

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

It is not a de Polignac number, because 52513314331 - 229 = 51976443419 is a prime.

It is a super-2 number, since 2×525133143312 (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 = 52513314293 and 52513314302.

It is not an unprimeable number, because it can be changed into a prime (52513314361) 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, 4353376 + ... + 4365421.

It is an arithmetic number, because the mean of its divisors is an integer number (6931444410).

Almost surely, 252513314331 is an apocalyptic number.

52513314331 is a deficient number, since it is larger than the sum of its proper divisors (2938240949).

52513314331 is a wasteful number, since it uses less digits than its factorization.

52513314331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8719133.

The product of its digits is 16200, while the sum is 31.

Adding to 52513314331 its reverse (13341331525), we get a palindrome (65854645856).

The spelling of 52513314331 in words is "fifty-two billion, five hundred thirteen million, three hundred fourteen thousand, three hundred thirty-one".

Divisors: 1 19 317 6023 8718797 165657143 2763858649 52513314331