Search a number
-
+
441440105351625 = 3253421932045617
BaseRepresentation
bin110010001011111001100100…
…0101010110100100111001001
32010220000021001221110212200200
41210113303020222310213021
5430330023313432223000
64202510441302522413
7161660665221351462
oct14427631052644711
92126007057425620
10441440105351625
11118724774173256
1241616072136409
1315c4181456a273
147b01b5a8c1d69
153607d0bd52500
hex1917cc8ab49c9

441440105351625 has 48 divisors (see below), whose sum is σ = 797659552614288. Its totient is φ = 234875495232000.

The previous prime is 441440105351621. The next prime is 441440105351659. The reversal of 441440105351625 is 526153501044144.

441440105351625 is a `hidden beast` number, since 4 + 4 + 1 + 4 + 4 + 0 + 10 + 5 + 3 + 5 + 1 + 625 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 421031494978704 + 20408610372921 = 20519052^2 + 4517589^2 .

It is not a de Polignac number, because 441440105351625 - 22 = 441440105351621 is a prime.

It is a super-2 number, since 2×4414401053516252 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (441440105351621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 465549184 + ... + 466496433.

It is an arithmetic number, because the mean of its divisors is an integer number (16617907346131).

Almost surely, 2441440105351625 is an apocalyptic number.

441440105351625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

441440105351625 is a deficient number, since it is larger than the sum of its proper divisors (356219447262663).

441440105351625 is a wasteful number, since it uses less digits than its factorization.

441440105351625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932046059 (or 932046046 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

Adding to 441440105351625 its reverse (526153501044144), we get a palindrome (967593606395769).

The spelling of 441440105351625 in words is "four hundred forty-one trillion, four hundred forty billion, one hundred five million, three hundred fifty-one thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 421 1125 1263 2105 3789 6315 10525 18945 31575 52625 94725 157875 473625 932045617 2796136851 4660228085 8388410553 13980684255 23301140425 41942052765 69903421275 116505702125 209710263825 349517106375 392391204757 1048551319125 1177173614271 1961956023785 3531520842813 5885868071355 9809780118925 17657604214065 29429340356775 49048900594625 88288021070325 147146701783875 441440105351625