Search a number
-
+
16049889513 = 3271942131849
BaseRepresentation
bin11101111001010010…
…11110000011101001
31112102112200212100100
432330221132003221
5230332232431023
611212340500013
71105505544540
oct167451360351
945375625310
1016049889513
1168968205a9
12313b0aa609
13168a203258
14ac383b157
1563e09cc43
hex3bca5e0e9

16049889513 has 48 divisors (see below), whose sum is σ = 27956656000. Its totient is φ = 8667751680.

The previous prime is 16049889511. The next prime is 16049889521. The reversal of 16049889513 is 31598894061.

16049889513 is a `hidden beast` number, since 1 + 6 + 0 + 49 + 8 + 89 + 513 = 666.

It is not a de Polignac number, because 16049889513 - 21 = 16049889511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16049889513.

It is not an unprimeable number, because it can be changed into a prime (16049889511) 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 47 ways as a sum of consecutive naturals, for example, 488013 + ... + 519861.

Almost surely, 216049889513 is an apocalyptic number.

It is an amenable number.

16049889513 is a deficient number, since it is larger than the sum of its proper divisors (11906766487).

16049889513 is a wasteful number, since it uses less digits than its factorization.

16049889513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32302 (or 32299 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 16049889513 in words is "sixteen billion, forty-nine million, eight hundred eighty-nine thousand, five hundred thirteen".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 421 1197 1263 2947 3789 7999 8841 23997 26523 31849 55993 71991 95547 167979 222943 286641 503937 605131 668829 1815393 2006487 4235917 5446179 12707751 13408429 38123253 40225287 93859003 120675861 254760151 281577009 764280453 844731027 1783321057 2292841359 5349963171 16049889513