Search a number
-
+
2128854373 = 19172365029
BaseRepresentation
bin111111011100011…
…1011110101100101
312111100211000012021
41332320323311211
513324441314443
6551124423141
7103516651342
oct17670736545
95440730167
102128854373
119a2756888
124b4b47ab1
1327c081559
14162a3b7c9
15c6d669ed
hex7ee3bd65

2128854373 has 8 divisors (see below), whose sum is σ = 2242234400. Its totient is φ = 2015607888.

The previous prime is 2128854341. The next prime is 2128854383. The reversal of 2128854373 is 3734588212.

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 2128854373 - 25 = 2128854341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128854383) 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, 223 + ... + 65251.

It is an arithmetic number, because the mean of its divisors is an integer number (280279300).

Almost surely, 22128854373 is an apocalyptic number.

It is an amenable number.

2128854373 is a deficient number, since it is larger than the sum of its proper divisors (113380027).

2128854373 is a wasteful number, since it uses less digits than its factorization.

2128854373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66771.

The product of its digits is 322560, while the sum is 43.

The square root of 2128854373 is about 46139.5098911985. The cubic root of 2128854373 is about 1286.4176339408.

The spelling of 2128854373 in words is "two billion, one hundred twenty-eight million, eight hundred fifty-four thousand, three hundred seventy-three".

Divisors: 1 19 1723 32737 65029 1235551 112044967 2128854373