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6142545553 = 17361326209
BaseRepresentation
bin1011011100001111…
…11100111010010001
3120212002021122102011
411232013330322101
5100034442424203
62453304022521
7305134530034
oct55607747221
916762248364
106142545553
112672341431
121235161a41
1376b787951
14423b1701b
1525e3e376d
hex16e1fce91

6142545553 has 4 divisors (see below), whose sum is σ = 6503871780. Its totient is φ = 5781219328.

The previous prime is 6142545463. The next prime is 6142545569. The reversal of 6142545553 is 3555452416.

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 1997374864 + 4145170689 = 44692^2 + 64383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6142545553 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6142540553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180663088 + ... + 180663121.

It is an arithmetic number, because the mean of its divisors is an integer number (1625967945).

Almost surely, 26142545553 is an apocalyptic number.

It is an amenable number.

6142545553 is a deficient number, since it is larger than the sum of its proper divisors (361326227).

6142545553 is a wasteful number, since it uses less digits than its factorization.

6142545553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361326226.

The product of its digits is 360000, while the sum is 40.

The square root of 6142545553 is about 78374.3934777169. The cubic root of 6142545553 is about 1831.3982518362.

Adding to 6142545553 its reverse (3555452416), we get a palindrome (9697997969).

The spelling of 6142545553 in words is "six billion, one hundred forty-two million, five hundred forty-five thousand, five hundred fifty-three".

Divisors: 1 17 361326209 6142545553