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444105501445 = 5769115502081
BaseRepresentation
bin1100111011001101100…
…00000010101100000101
31120110022110211222201101
412131212300002230011
524234012002021240
6540004054100101
744041230322534
oct6354660025405
91513273758641
10444105501445
11161386a83441
12720a204a631
1332b57130ba8
14176cdb0831b
15b843a4539a
hex6766c02b05

444105501445 has 8 divisors (see below), whose sum is σ = 533619618840. Its totient is φ = 354822389760.

The previous prime is 444105501409. The next prime is 444105501457. The reversal of 444105501445 is 544105501444.

It can be written as a sum of positive squares in 4 ways, for example, as 105343088356 + 338762413089 = 324566^2 + 582033^2 .

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

It is not a de Polignac number, because 444105501445 - 29 = 444105500933 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57747196 + ... + 57754885.

It is an arithmetic number, because the mean of its divisors is an integer number (66702452355).

Almost surely, 2444105501445 is an apocalyptic number.

It is an amenable number.

444105501445 is a deficient number, since it is larger than the sum of its proper divisors (89514117395).

444105501445 is a wasteful number, since it uses less digits than its factorization.

444105501445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115502855.

The product of its (nonzero) digits is 128000, while the sum is 37.

Subtracting 444105501445 from its reverse (544105501444), we obtain a palindrome (99999999999).

The spelling of 444105501445 in words is "four hundred forty-four billion, one hundred five million, five hundred one thousand, four hundred forty-five".

Divisors: 1 5 769 3845 115502081 577510405 88821100289 444105501445