Search a number
-
+
9048028639 = 13222721039
BaseRepresentation
bin10000110110100110…
…11111010111011111
3212100120110110220211
420123103133113133
5122012243404024
64053454353251
7440134655146
oct103323372737
925316413824
109048028639
113923415921
1219061bb827
13b126c8300
1461b95875d
1537e517594
hex21b4df5df

9048028639 has 18 divisors (see below), whose sum is σ = 9850392240. Its totient is φ = 8307230256.

The previous prime is 9048028637. The next prime is 9048028657. The reversal of 9048028639 is 9368208409.

It is not a de Polignac number, because 9048028639 - 21 = 9048028637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9048028592 and 9048028601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9048028637) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8707882 + ... + 8708920.

Almost surely, 29048028639 is an apocalyptic number.

9048028639 is a deficient number, since it is larger than the sum of its proper divisors (802363601).

9048028639 is a wasteful number, since it uses less digits than its factorization.

9048028639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 9048028639 is about 95121.1261445111. The cubic root of 9048028639 is about 2083.7773937063. Note that the first 3 decimals are identical.

The spelling of 9048028639 in words is "nine billion, forty-eight million, twenty-eight thousand, six hundred thirty-nine".

Divisors: 1 13 169 227 1039 2951 13507 38363 51529 175591 235853 669877 3066089 8708401 39859157 53538631 696002203 9048028639