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5143545305 = 51028709061
BaseRepresentation
bin1001100101001010…
…00100010111011001
3111021110111011200222
410302211010113121
541013221422210
62210220005425
7241314261623
oct46245042731
914243434628
105143545305
1121aa440798
12bb6690875
1363c80a842
1436b189c13
1520185d655
hex1329445d9

5143545305 has 4 divisors (see below), whose sum is σ = 6172254372. Its totient is φ = 4114836240.

The previous prime is 5143545293. The next prime is 5143545307. The reversal of 5143545305 is 5035453415.

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 3523965769 + 1619579536 = 59363^2 + 40244^2 .

It is not a de Polignac number, because 5143545305 - 220 = 5142496729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5143545307) 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, 514354526 + ... + 514354535.

It is an arithmetic number, because the mean of its divisors is an integer number (1543063593).

Almost surely, 25143545305 is an apocalyptic number.

It is an amenable number.

5143545305 is a deficient number, since it is larger than the sum of its proper divisors (1028709067).

5143545305 is a wasteful number, since it uses less digits than its factorization.

5143545305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028709066.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 5143545305 is about 71718.5143808766. The cubic root of 5143545305 is about 1726.1857343649.

The spelling of 5143545305 in words is "five billion, one hundred forty-three million, five hundred forty-five thousand, three hundred five".

Divisors: 1 5 1028709061 5143545305