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54746450665 = 536732981021
BaseRepresentation
bin110010111111001001…
…001000101011101001
312020022101002211212221
4302333021020223221
51344110042410130
641052234234041
73645445103224
oct627711105351
9166271084787
1054746450665
1121243a42755
12a73a585921
13521621550a
142914c705bb
15165641587a
hexcbf248ae9

54746450665 has 8 divisors (see below), whose sum is σ = 65713648968. Its totient is φ = 43785221760.

The previous prime is 54746450663. The next prime is 54746450723. The reversal of 54746450665 is 56605464745.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2913732441 + 51832718224 = 53979^2 + 227668^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54746450665 - 21 = 54746450663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54746450663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1472146 + ... + 1508875.

It is an arithmetic number, because the mean of its divisors is an integer number (8214206121).

Almost surely, 254746450665 is an apocalyptic number.

It is an amenable number.

54746450665 is a deficient number, since it is larger than the sum of its proper divisors (10967198303).

54746450665 is a wasteful number, since it uses less digits than its factorization.

54746450665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984699.

The product of its (nonzero) digits is 12096000, while the sum is 52.

The spelling of 54746450665 in words is "fifty-four billion, seven hundred forty-six million, four hundred fifty thousand, six hundred sixty-five".

Divisors: 1 5 3673 18365 2981021 14905105 10949290133 54746450665