Search a number
-
+
2827128672 = 253229633313
BaseRepresentation
bin1010100010000010…
…1000111101100000
321022000202000110100
42220200220331200
521242221104142
61144311102400
7130026124434
oct25040507540
97260660410
102827128672
111220927685
1266a971a00
13360938304
141cb6869c4
151182e7b4c
hexa8828f60

2827128672 has 72 divisors (see below), whose sum is σ = 8044788024. Its totient is φ = 941773824.

The previous prime is 2827128649. The next prime is 2827128683. The reversal of 2827128672 is 2768217282.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 851688 + ... + 855000.

It is an arithmetic number, because the mean of its divisors is an integer number (111733167).

Almost surely, 22827128672 is an apocalyptic number.

It is an amenable number.

2827128672 is an abundant number, since it is smaller than the sum of its proper divisors (5217659352).

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

2827128672 is a wasteful number, since it uses less digits than its factorization.

2827128672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6292 (or 6281 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 2827128672 is about 53170.7501545728. The cubic root of 2827128672 is about 1413.9971204578.

The spelling of 2827128672 in words is "two billion, eight hundred twenty-seven million, one hundred twenty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 2963 3313 5926 6626 8889 9939 11852 13252 17778 19878 23704 26504 26667 29817 35556 39756 47408 53008 53334 59634 71112 79512 94816 106016 106668 119268 142224 159024 213336 238536 284448 318048 426672 477072 853344 954144 9816419 19632838 29449257 39265676 58898514 78531352 88347771 117797028 157062704 176695542 235594056 314125408 353391084 471188112 706782168 942376224 1413564336 2827128672