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53053347313 = 109486727957
BaseRepresentation
bin110001011010001110…
…011101010111110001
312001221101020021201101
4301122032131113301
51332123124103223
640212233204401
73555466003651
oct613216352761
9161841207641
1053053347313
112055526008a
12a347560701
135006512105
1427d4062361
1515a79754ad
hexc5a39d5f1

53053347313 has 4 divisors (see below), whose sum is σ = 53540075380. Its totient is φ = 52566619248.

The previous prime is 53053347283. The next prime is 53053347323. The reversal of 53053347313 is 31374335035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31374335035 = 56274867007.

It can be written as a sum of positive squares in 2 ways, for example, as 43774263729 + 9279083584 = 209223^2 + 96328^2 .

It is a cyclic number.

It is not a de Polignac number, because 53053347313 - 229 = 52516476401 is a prime.

It is a super-2 number, since 2×530533473132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53053347323) 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, 243363870 + ... + 243364087.

It is an arithmetic number, because the mean of its divisors is an integer number (13385018845).

Almost surely, 253053347313 is an apocalyptic number.

It is an amenable number.

53053347313 is a deficient number, since it is larger than the sum of its proper divisors (486728067).

53053347313 is a wasteful number, since it uses less digits than its factorization.

53053347313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486728066.

The product of its (nonzero) digits is 170100, while the sum is 37.

The spelling of 53053347313 in words is "fifty-three billion, fifty-three million, three hundred forty-seven thousand, three hundred thirteen".

Divisors: 1 109 486727957 53053347313