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52512939349 = 135770969997
BaseRepresentation
bin110000111010000000…
…111101110101010101
312000112201100201100121
4300322000331311111
51330021303024344
640042450311541
73536214422353
oct607200756525
9160481321317
1052512939349
11202a8204632
12a2165885b1
134c4b57c8a0
14278238c7d3
1515752c9684
hexc3a03dd55

52512939349 has 8 divisors (see below), whose sum is σ = 56554184120. Its totient is φ = 48471950016.

The previous prime is 52512939331. The next prime is 52512939383. The reversal of 52512939349 is 94393921525.

52512939349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 737122500 + 51775816849 = 27150^2 + 227543^2 .

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 52512939349 - 25 = 52512939317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52512939296 and 52512939305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52512939749) 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, 715219 + ... + 785215.

It is an arithmetic number, because the mean of its divisors is an integer number (7069273015).

Almost surely, 252512939349 is an apocalyptic number.

It is an amenable number.

52512939349 is a deficient number, since it is larger than the sum of its proper divisors (4041244771).

52512939349 is a wasteful number, since it uses less digits than its factorization.

52512939349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127719.

The product of its digits is 2624400, while the sum is 52.

The spelling of 52512939349 in words is "fifty-two billion, five hundred twelve million, nine hundred thirty-nine thousand, three hundred forty-nine".

Divisors: 1 13 57709 69997 750217 909961 4039456873 52512939349