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53163684289 = 520910206121
BaseRepresentation
bin110001100000110011…
…010111000111000001
312002020001211222121001
4301200303113013001
51332334400344124
640231214132001
73561305601052
oct614063270701
9162201758531
1053163684289
1120601571971
12a3784b1001
135023334971
142804984729
1515b24bcb44
hexc60cd71c1

53163684289 has 4 divisors (see below), whose sum is σ = 53173895620. Its totient is φ = 53153472960.

The previous prime is 53163684283. The next prime is 53163684319. The reversal of 53163684289 is 98248636135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28918703025 + 24244981264 = 170055^2 + 155708^2 .

It is a cyclic number.

It is not a de Polignac number, because 53163684289 - 215 = 53163651521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53163684283) 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, 5097852 + ... + 5108269.

It is an arithmetic number, because the mean of its divisors is an integer number (13293473905).

Almost surely, 253163684289 is an apocalyptic number.

It is an amenable number.

53163684289 is a deficient number, since it is larger than the sum of its proper divisors (10211331).

53163684289 is a wasteful number, since it uses less digits than its factorization.

53163684289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211330.

The product of its digits is 7464960, while the sum is 55.

The spelling of 53163684289 in words is "fifty-three billion, one hundred sixty-three million, six hundred eighty-four thousand, two hundred eighty-nine".

Divisors: 1 5209 10206121 53163684289