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4551144023 = 28316081781
BaseRepresentation
bin1000011110100010…
…01111001001010111
3102202011210001220202
410033101033021113
533310043102043
62031334451115
7220532041316
oct41721171127
912664701822
104551144023
111a26002958
12a70203a9b
13576b7283a
1431262027d
151b98421b8
hex10f44f257

4551144023 has 4 divisors (see below), whose sum is σ = 4567226088. Its totient is φ = 4535061960.

The previous prime is 4551143983. The next prime is 4551144053. The reversal of 4551144023 is 3204411554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3204411554 = 21602205777.

It is a cyclic number.

It is not a de Polignac number, because 4551144023 - 230 = 3477402199 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 (4551144053) 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, 8040608 + ... + 8041173.

It is an arithmetic number, because the mean of its divisors is an integer number (1141806522).

Almost surely, 24551144023 is an apocalyptic number.

4551144023 is a deficient number, since it is larger than the sum of its proper divisors (16082065).

4551144023 is a wasteful number, since it uses less digits than its factorization.

4551144023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16082064.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4551144023 is about 67462.1673458539. The cubic root of 4551144023 is about 1657.1946645547.

Adding to 4551144023 its reverse (3204411554), we get a palindrome (7755555577).

The spelling of 4551144023 in words is "four billion, five hundred fifty-one million, one hundred forty-four thousand, twenty-three".

Divisors: 1 283 16081781 4551144023