Search a number
-
+
44030402304640 = 27568797503601
BaseRepresentation
bin10100000001011101000000…
…11111010001101010000000
312202220021011102220210211121
422000232200133101222000
521232343230442222030
6233351142041122024
712163043262266413
oct1200564037215200
9182807142823747
1044030402304640
111303620925a144
124b31478789314
131b75083bc586b
14ac3123467b7a
155154e9cbc47a
hex280ba07d1a80

44030402304640 has 32 divisors (see below), whose sum is σ = 105260180511060. Its totient is φ = 17612160921600.

The previous prime is 44030402304607. The next prime is 44030402304641. The reversal of 44030402304640 is 4640320403044.

It can be written as a sum of positive squares in 2 ways, for example, as 37598578805824 + 6431823498816 = 6131768^2 + 2536104^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 44030402304596 and 44030402304605.

It is not an unprimeable number, because it can be changed into a prime (44030402304641) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34398751161 + ... + 34398752440.

Almost surely, 244030402304640 is an apocalyptic number.

44030402304640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44030402304640 is an abundant number, since it is smaller than the sum of its proper divisors (61229778206420).

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

44030402304640 is an equidigital number, since it uses as much as digits as its factorization.

44030402304640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68797503620 (or 68797503608 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 44030402304640 its reverse (4640320403044), we get a palindrome (48670722707684).

The spelling of 44030402304640 in words is "forty-four trillion, thirty billion, four hundred two million, three hundred four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 68797503601 137595007202 275190014404 343987518005 550380028808 687975036010 1100760057616 1375950072020 2201520115232 2751900144040 4403040230464 5503800288080 8806080460928 11007600576160 22015201152320 44030402304640