Search a number
-
+
2128467824 = 24719004177
BaseRepresentation
bin111111011011101…
…1101011101110000
312111100002100221122
41332313131131300
513324341432244
6551112241412
7103513451360
oct17667353560
95440070848
102128467824
119a251241a
124b49a0268
1327bc77622
1416297a9a0
15c6cdc1ee
hex7eddd770

2128467824 has 20 divisors (see below), whose sum is σ = 4713036144. Its totient is φ = 912200448.

The previous prime is 2128467791. The next prime is 2128467829. The reversal of 2128467824 is 4287648212.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128467829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9501977 + ... + 9502200.

Almost surely, 22128467824 is an apocalyptic number.

It is an amenable number.

2128467824 is an abundant number, since it is smaller than the sum of its proper divisors (2584568320).

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

2128467824 is a wasteful number, since it uses less digits than its factorization.

2128467824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19004192 (or 19004186 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 2128467824 is about 46135.3207857060. The cubic root of 2128467824 is about 1286.3397683438.

The spelling of 2128467824 in words is "two billion, one hundred twenty-eight million, four hundred sixty-seven thousand, eight hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 19004177 38008354 76016708 133029239 152033416 266058478 304066832 532116956 1064233912 2128467824