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505223242434443 = 13327880911852879
BaseRepresentation
bin111001011011111110111001…
…1111001011100011110001011
32110020211212111102201110110102
41302313331303321130132023
51012210034200030400233
64550304204202240015
7211263113633205431
oct16267756371343613
92406755442643412
10505223242434443
11136a85a79236535
12487b77957b600b
13188ba46912a1c0
148ca8d14a7cd51
153d62038ce11e8
hex1cb7f73e5c78b

505223242434443 has 8 divisors (see below), whose sum is σ = 544086780619200. Its totient is φ = 466359734513088.

The previous prime is 505223242434403. The next prime is 505223242434517. The reversal of 505223242434443 is 344434242322505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505223242434443 - 238 = 504948364527499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505223242434403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36698078 + ... + 48550956.

It is an arithmetic number, because the mean of its divisors is an integer number (68010847577400).

Almost surely, 2505223242434443 is an apocalyptic number.

505223242434443 is a deficient number, since it is larger than the sum of its proper divisors (38863538184757).

505223242434443 is a wasteful number, since it uses less digits than its factorization.

505223242434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15131701.

The product of its (nonzero) digits is 11059200, while the sum is 47.

Adding to 505223242434443 its reverse (344434242322505), we get a palindrome (849657484756948).

The spelling of 505223242434443 in words is "five hundred five trillion, two hundred twenty-three billion, two hundred forty-two million, four hundred thirty-four thousand, four hundred forty-three".

Divisors: 1 13 3278809 11852879 42624517 154087427 38863326341111 505223242434443