Search a number
-
+
1445305430443 = 7238977052363
BaseRepresentation
bin10101000010000010111…
…010101011000110101011
312010011120211011010100011
4111002002322223012223
5142134441142233233
63023544131152351
7206264005313050
oct25020272530653
95104524133304
101445305430443
11507a50266796
121b4139a456b7
13a63a3b97794
144dd4b663027
15278e07d10cd
hex15082eab1ab

1445305430443 has 8 divisors (see below), whose sum is σ = 1723594053888. Its totient is φ = 1184970911784.

The previous prime is 1445305430407. The next prime is 1445305430477. The reversal of 1445305430443 is 3440345035441.

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 1445305430443 - 213 = 1445305422251 is a prime.

It is a super-2 number, since 2×14453054304432 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1445305430396 and 1445305430405.

It is not an unprimeable number, because it can be changed into a prime (1445305439443) 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 7 ways as a sum of consecutive naturals, for example, 4488526021 + ... + 4488526342.

It is an arithmetic number, because the mean of its divisors is an integer number (215449256736).

Almost surely, 21445305430443 is an apocalyptic number.

1445305430443 is a deficient number, since it is larger than the sum of its proper divisors (278288623445).

1445305430443 is an equidigital number, since it uses as much as digits as its factorization.

1445305430443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8977052393.

The product of its (nonzero) digits is 691200, while the sum is 40.

The spelling of 1445305430443 in words is "one trillion, four hundred forty-five billion, three hundred five million, four hundred thirty thousand, four hundred forty-three".

Divisors: 1 7 23 161 8977052363 62839366541 206472204349 1445305430443