Search a number
-
+
321214134443040 = 25325223065371141
BaseRepresentation
bin100100100001001000111111…
…0011000010101110000100000
31120010022202211022120022020200
41021002101332120111300200
5314100233021404134130
63055055423005105200
7124441645460140536
oct11102217630256040
91503282738508220
10321214134443040
1193392170948933
123003954b858200
1310a304943c52c7
145946bc0490156
1527207b421d760
hex124247e615c20

321214134443040 has 72 divisors (see below), whose sum is σ = 1096143233791788. Its totient is φ = 85657102517760.

The previous prime is 321214134443017. The next prime is 321214134443047. The reversal of 321214134443040 is 40344431412123.

321214134443040 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 1 + 4 + 1 + 344 + 4 + 304 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 317196242480016 + 4017891963024 = 17810004^2 + 2004468^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 321214134442986 and 321214134443004.

It is not an unprimeable number, because it can be changed into a prime (321214134443047) 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 11 ways as a sum of consecutive naturals, for example, 111532684131 + ... + 111532687010.

Almost surely, 2321214134443040 is an apocalyptic number.

321214134443040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321214134443040 is an abundant number, since it is smaller than the sum of its proper divisors (774929099348748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321214134443040 is a wasteful number, since it uses less digits than its factorization.

321214134443040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223065371162 (or 223065371151 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 321214134443040 its reverse (40344431412123), we get a palindrome (361558565855163).

The spelling of 321214134443040 in words is "three hundred twenty-one trillion, two hundred fourteen billion, one hundred thirty-four million, four hundred forty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 223065371141 446130742282 669196113423 892261484564 1115326855705 1338392226846 1784522969128 2007588340269 2230653711410 2676784453692 3345980567115 3569045938256 4015176680538 4461307422820 5353568907384 6691961134230 7138091876512 8030353361076 8922614845640 10037941701345 10707137814768 13383922268460 16060706722152 17845229691280 20075883402690 21414275629536 26767844536920 32121413444304 35690459382560 40151766805380 53535689073840 64242826888608 80303533610760 107071378147680 160607067221520 321214134443040