Search a number
-
+
28077160408 = 2311229005331
BaseRepresentation
bin11010001001100001…
…110111011111011000
32200110202010112022221
4122021201313133120
5430000223113113
620522022553424
72012530632343
oct321141673730
980422115287
1028077160408
11109a8909200
125536b98874
132855bc57ab
141504d1745a
15ae4e0898d
hex6898777d8

28077160408 has 24 divisors (see below), whose sum is σ = 57865637340. Its totient is φ = 12762345200.

The previous prime is 28077160393. The next prime is 28077160411. The reversal of 28077160408 is 80406177082.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 14501698 + ... + 14503633.

Almost surely, 228077160408 is an apocalyptic number.

It is an amenable number.

28077160408 is an abundant number, since it is smaller than the sum of its proper divisors (29788476932).

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

28077160408 is a wasteful number, since it uses less digits than its factorization.

28077160408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29005359 (or 29005344 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 28077160408 in words is "twenty-eight billion, seventy-seven million, one hundred sixty thousand, four hundred eight".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 29005331 58010662 116021324 232042648 319058641 638117282 1276234564 2552469128 3509645051 7019290102 14038580204 28077160408