Search a number
-
+
140224430440441 = 978017180318409
BaseRepresentation
bin11111111000100010001011…
…010111010111111111111001
3200101111022202122201012002001
4133320202023113113333321
5121334414113143043231
61214122114122141001
741351611051410004
oct3770421327277771
9611438678635061
10140224430440441
1140752935381996
1213888526051761
136032151267a99
14268ac81c5453b
15113285c629b61
hex7f888b5d7ff9

140224430440441 has 8 divisors (see below), whose sum is σ = 141687715115240. Its totient is φ = 138761506418688.

The previous prime is 140224430440411. The next prime is 140224430440483. The reversal of 140224430440441 is 144044034422041.

It can be written as a sum of positive squares in 4 ways, for example, as 71136083876841 + 69088346563600 = 8434221^2 + 8311940^2 .

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 140224430440441 - 233 = 140215840505849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140224430440441.

It is not an unprimeable number, because it can be changed into a prime (140224430440411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89381556 + ... + 90936853.

It is an arithmetic number, because the mean of its divisors is an integer number (17710964389405).

Almost surely, 2140224430440441 is an apocalyptic number.

It is an amenable number.

140224430440441 is a deficient number, since it is larger than the sum of its proper divisors (1463284674799).

140224430440441 is an equidigital number, since it uses as much as digits as its factorization.

140224430440441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180326523.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 140224430440441 its reverse (144044034422041), we get a palindrome (284268464862482).

The spelling of 140224430440441 in words is "one hundred forty trillion, two hundred twenty-four billion, four hundred thirty million, four hundred forty thousand, four hundred forty-one".

Divisors: 1 97 8017 777649 180318409 17490885673 1445612684953 140224430440441