Search a number
-
+
32028406443 = 32112231450759
BaseRepresentation
bin11101110101000010…
…101011001010101011
310001200010002121220200
4131311002223022223
51011043233001233
622414051523243
72212456651155
oct356502531253
9101603077820
1032028406443
11126462228a0
12625a2b9523
1330356a6cb7
14179b9b9ad5
15c76c4d313
hex7750ab2ab

32028406443 has 24 divisors (see below), whose sum is σ = 50695357440. Its totient is φ = 19324096560.

The previous prime is 32028406441. The next prime is 32028406469. The reversal of 32028406443 is 34460482023.

32028406443 is a `hidden beast` number, since 3 + 2 + 0 + 2 + 8 + 4 + 0 + 644 + 3 = 666.

It is not a de Polignac number, because 32028406443 - 21 = 32028406441 is a prime.

It is a super-3 number, since 3×320284064433 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32028406398 and 32028406407.

It is not an unprimeable number, because it can be changed into a prime (32028406441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703303 + ... + 747456.

It is an arithmetic number, because the mean of its divisors is an integer number (2112306560).

Almost surely, 232028406443 is an apocalyptic number.

32028406443 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

32028406443 is a deficient number, since it is larger than the sum of its proper divisors (18666950997).

32028406443 is a wasteful number, since it uses less digits than its factorization.

32028406443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450999 (or 1450996 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 32028406443 its reverse (34460482023), we get a palindrome (66488888466).

The spelling of 32028406443 in words is "thirty-two billion, twenty-eight million, four hundred six thousand, four hundred forty-three".

Divisors: 1 3 9 11 33 99 223 669 2007 2453 7359 22077 1450759 4352277 13056831 15958349 47875047 143625141 323519257 970557771 2911673313 3558711827 10676135481 32028406443