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2838147145 = 55393105253
BaseRepresentation
bin1010100100101010…
…1011000001001001
321022210110210221221
42221022223001021
521303031202040
61145343202041
7130221565321
oct25112530111
97283423857
102838147145
111227072a59
126725a6321
13362cc5612
141ccd14281
1511927274a
hexa92ab049

2838147145 has 8 divisors (see below), whose sum is σ = 3406440456. Its totient is φ = 2270075136.

The previous prime is 2838147139. The next prime is 2838147149. The reversal of 2838147145 is 5417418382.

It can be written as a sum of positive squares in 4 ways, for example, as 318408336 + 2519738809 = 17844^2 + 50197^2 .

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 2838147145 - 223 = 2829758537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2838147149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25662 + ... + 79591.

It is an arithmetic number, because the mean of its divisors is an integer number (425805057).

Almost surely, 22838147145 is an apocalyptic number.

It is an amenable number.

2838147145 is a deficient number, since it is larger than the sum of its proper divisors (568293311).

2838147145 is a wasteful number, since it uses less digits than its factorization.

2838147145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110651.

The product of its digits is 215040, while the sum is 43.

The square root of 2838147145 is about 53274.2634393006. The cubic root of 2838147145 is about 1415.8317135448.

The spelling of 2838147145 in words is "two billion, eight hundred thirty-eight million, one hundred forty-seven thousand, one hundred forty-five".

Divisors: 1 5 5393 26965 105253 526265 567629429 2838147145