Search a number
-
+
20224424145 = 352515371693
BaseRepresentation
bin10010110101011110…
…000011100011010001
31221012110211012022010
4102311132003203101
5312404423033040
613142503333133
71314115524462
oct226536034321
957173735263
1020224424145
118639184222
123b051511a9
131ba4033ca3
14d9c024d69
157d57ebe80
hex4b57838d1

20224424145 has 16 divisors (see below), whose sum is σ = 32488005312. Its totient is φ = 10743384000.

The previous prime is 20224424111. The next prime is 20224424161. The reversal of 20224424145 is 54142442202.

It is not a de Polignac number, because 20224424145 - 26 = 20224424081 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2682082 + ... + 2689611.

It is an arithmetic number, because the mean of its divisors is an integer number (2030500332).

Almost surely, 220224424145 is an apocalyptic number.

It is an amenable number.

20224424145 is a deficient number, since it is larger than the sum of its proper divisors (12263581167).

20224424145 is a wasteful number, since it uses less digits than its factorization.

20224424145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371952.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 20224424145 its reverse (54142442202), we get a palindrome (74366866347).

The spelling of 20224424145 in words is "twenty billion, two hundred twenty-four million, four hundred twenty-four thousand, one hundred forty-five".

Divisors: 1 3 5 15 251 753 1255 3765 5371693 16115079 26858465 80575395 1348294943 4044884829 6741474715 20224424145