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33141145361 = 257128953873
BaseRepresentation
bin11110110111010111…
…011011111100010001
310011112122220121202012
4132313113123330101
51020333113122421
623120321432305
72252161042022
oct366727337421
9104478817665
1033141145361
1113067349035
12650aa9b695
1331820980ac
1418656b2c49
15cde79d95b
hex7b75dbf11

33141145361 has 4 divisors (see below), whose sum is σ = 33270099492. Its totient is φ = 33012191232.

The previous prime is 33141145319. The next prime is 33141145399. The reversal of 33141145361 is 16354114133.

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 32164270336 + 976875025 = 179344^2 + 31255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33141145361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33141142361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64476680 + ... + 64477193.

It is an arithmetic number, because the mean of its divisors is an integer number (8317524873).

Almost surely, 233141145361 is an apocalyptic number.

It is an amenable number.

33141145361 is a deficient number, since it is larger than the sum of its proper divisors (128954131).

33141145361 is a wasteful number, since it uses less digits than its factorization.

33141145361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128954130.

The product of its digits is 12960, while the sum is 32.

Adding to 33141145361 its reverse (16354114133), we get a palindrome (49495259494).

The spelling of 33141145361 in words is "thirty-three billion, one hundred forty-one million, one hundred forty-five thousand, three hundred sixty-one".

Divisors: 1 257 128953873 33141145361