Search a number
-
+
28474877682 = 23210133746477
BaseRepresentation
bin11010100001001111…
…000010011011110010
32201111110111122212100
4122201033002123302
5431304032041212
621025311241230
72025430316046
oct324117023362
981443448770
1028474877682
1111092365069
125628219216
1328ba418064
141541a86026
15b19cbabdc
hex6a13c26f2

28474877682 has 48 divisors (see below), whose sum is σ = 62492645592. Its totient is φ = 9369561600.

The previous prime is 28474877677. The next prime is 28474877713. The reversal of 28474877682 is 28677847482.

28474877682 is a `hidden beast` number, since 2 + 8 + 4 + 7 + 487 + 76 + 82 = 666.

28474877682 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25002250641 + 3472627041 = 158121^2 + 58929^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 589428 + ... + 635904.

Almost surely, 228474877682 is an apocalyptic number.

28474877682 is an abundant number, since it is smaller than the sum of its proper divisors (34017767910).

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

28474877682 is a wasteful number, since it uses less digits than its factorization.

28474877682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46923 (or 46920 counting only the distinct ones).

The product of its digits is 67436544, while the sum is 63.

The spelling of 28474877682 in words is "twenty-eight billion, four hundred seventy-four million, eight hundred seventy-seven thousand, six hundred eighty-two".

Divisors: 1 2 3 6 9 18 101 202 303 337 606 674 909 1011 1818 2022 3033 6066 34037 46477 68074 92954 102111 139431 204222 278862 306333 418293 612666 836586 4694177 9388354 14082531 15662749 28165062 31325498 42247593 46988247 84495186 93976494 140964741 281929482 1581937649 3163875298 4745812947 9491625894 14237438841 28474877682