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6428275849188 = 2232192494634953
BaseRepresentation
bin101110110001011001100…
…0110010011011111100100
3211202112111121002212222200
41131202303012103133210
51320310102104133223
621401035324454500
71232266445111244
oct135426306233744
924675447085880
106428275849188
11205924214a856
12879a146aa430
13378250aac13b
141831b7429b24
15b2332e35a43
hex5d8b31937e4

6428275849188 has 54 divisors (see below), whose sum is σ = 17149488490134. Its totient is φ = 2029981843008.

The previous prime is 6428275849159. The next prime is 6428275849189. The reversal of 6428275849188 is 8819485728246.

6428275849188 is a `hidden beast` number, since 6 + 4 + 2 + 8 + 2 + 7 + 58 + 491 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4521755579364 + 1906520269824 = 2126442^2 + 1380768^2 .

It is not an unprimeable number, because it can be changed into a prime (6428275849189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 247304481 + ... + 247330472.

Almost surely, 26428275849188 is an apocalyptic number.

It is an amenable number.

6428275849188 is an abundant number, since it is smaller than the sum of its proper divisors (10721212640946).

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

6428275849188 is a wasteful number, since it uses less digits than its factorization.

6428275849188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494635001 (or 494634977 counting only the distinct ones).

The product of its digits is 495452160, while the sum is 72.

The spelling of 6428275849188 in words is "six trillion, four hundred twenty-eight billion, two hundred seventy-five million, eight hundred forty-nine thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 361 684 722 1083 1444 2166 3249 4332 6498 12996 494634953 989269906 1483904859 1978539812 2967809718 4451714577 5935619436 8903429154 9398064107 17806858308 18796128214 28194192321 37592256428 56388384642 84582576963 112776769284 169165153926 178563218033 338330307852 357126436066 535689654099 714252872132 1071379308198 1607068962297 2142758616396 3214137924594 6428275849188