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45272565461 = 212921264709
BaseRepresentation
bin101010001010011101…
…001000011011010101
311022212010022121120202
4222022131020123111
51220204234043321
632444204110245
73161616312524
oct521235103325
9138763277522
1045272565461
1118222201562
128935835385
134366524896
1422969404bb
15129e82d70b
hexa8a7486d5

45272565461 has 4 divisors (see below), whose sum is σ = 45293832300. Its totient is φ = 45251298624.

The previous prime is 45272565449. The next prime is 45272565467. The reversal of 45272565461 is 16456527254.

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 28800126436 + 16472439025 = 169706^2 + 128345^2 .

It is a cyclic number.

It is not a de Polignac number, because 45272565461 - 26 = 45272565397 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 (45272565467) 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, 10630226 + ... + 10634483.

It is an arithmetic number, because the mean of its divisors is an integer number (11323458075).

Almost surely, 245272565461 is an apocalyptic number.

It is an amenable number.

45272565461 is a deficient number, since it is larger than the sum of its proper divisors (21266839).

45272565461 is a wasteful number, since it uses less digits than its factorization.

45272565461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21266838.

The product of its digits is 2016000, while the sum is 47.

The spelling of 45272565461 in words is "forty-five billion, two hundred seventy-two million, five hundred sixty-five thousand, four hundred sixty-one".

Divisors: 1 2129 21264709 45272565461