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449694885445 = 5136918382853
BaseRepresentation
bin1101000101100111110…
…01110110011001000101
31120222202000021010010121
412202303321312121011
524331433342313240
6542330442021541
744326600312651
oct6426371663105
91528660233117
10449694885445
11163795048363
12731a1aa78b1
133353810c2c0
1417aa018ba61
15ba6e5be04a
hex68b3e76645

449694885445 has 8 divisors (see below), whose sum is σ = 581144159736. Its totient is φ = 332082376896.

The previous prime is 449694885433. The next prime is 449694885461. The reversal of 449694885445 is 544588496944.

It can be written as a sum of positive squares in 4 ways, for example, as 10307528676 + 439387356769 = 101526^2 + 662863^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 449694885445 - 225 = 449661331013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3459191362 + ... + 3459191491.

It is an arithmetic number, because the mean of its divisors is an integer number (72643019967).

Almost surely, 2449694885445 is an apocalyptic number.

It is an amenable number.

449694885445 is a deficient number, since it is larger than the sum of its proper divisors (131449274291).

449694885445 is a wasteful number, since it uses less digits than its factorization.

449694885445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918382871.

The product of its digits is 796262400, while the sum is 70.

The spelling of 449694885445 in words is "four hundred forty-nine billion, six hundred ninety-four million, eight hundred eighty-five thousand, four hundred forty-five".

Divisors: 1 5 13 65 6918382853 34591914265 89938977089 449694885445