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2443142453 = 13901175753
BaseRepresentation
bin1001000110011111…
…0110010100110101
320022021012111101112
42101213312110311
520000421024303
61042233004405
7114354240203
oct22147662465
96267174345
102443142453
1110440aa0a4
12582253705
132cc21292b
14192690073
15e47490d8
hex919f6535

2443142453 has 4 divisors (see below), whose sum is σ = 2443332108. Its totient is φ = 2442952800.

The previous prime is 2443142411. The next prime is 2443142477. The reversal of 2443142453 is 3542413442.

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 2081458129 + 361684324 = 45623^2 + 19018^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443142453 - 26 = 2443142389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443142753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73976 + ... + 101777.

It is an arithmetic number, because the mean of its divisors is an integer number (610833027).

Almost surely, 22443142453 is an apocalyptic number.

It is an amenable number.

2443142453 is a deficient number, since it is larger than the sum of its proper divisors (189655).

2443142453 is a wasteful number, since it uses less digits than its factorization.

2443142453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189654.

The product of its digits is 46080, while the sum is 32.

The square root of 2443142453 is about 49428.1544567466. The cubic root of 2443142453 is about 1346.8407980383.

Adding to 2443142453 its reverse (3542413442), we get a palindrome (5985555895).

The spelling of 2443142453 in words is "two billion, four hundred forty-three million, one hundred forty-two thousand, four hundred fifty-three".

Divisors: 1 13901 175753 2443142453