Search a number
-
+
28552212676 = 22132672972
BaseRepresentation
bin11010100101110110…
…000011000011000100
32201200212000200112101
4122211312003003010
5431433331301201
621041113001444
72030356542361
oct324566030304
981625020471
1028552212676
1111121a85a89
12564a0b3284
132900454400
14154c057468
15b21994d01
hex6a5d830c4

28552212676 has 81 divisors (see below), whose sum is σ = 55497274119. Its totient is φ = 12847431168.

The previous prime is 28552212659. The next prime is 28552212697. The reversal of 28552212676 is 67621225582.

The square root of 28552212676 is 168974.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5216595076 + 23335617600 = 72226^2 + 152760^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 294352660 + ... + 294352756.

Almost surely, 228552212676 is an apocalyptic number.

28552212676 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28552212676 is the 168974-th square number.

It is an amenable number.

28552212676 is a deficient number, since it is larger than the sum of its proper divisors (26945061443).

28552212676 is an equidigital number, since it uses as much as digits as its factorization.

28552212676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 179 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The spelling of 28552212676 in words is "twenty-eight billion, five hundred fifty-two million, two hundred twelve thousand, six hundred seventy-six".

Divisors: 1 2 4 13 26 52 67 97 134 169 194 268 338 388 676 871 1261 1742 2522 3484 4489 5044 6499 8978 9409 11323 12998 16393 17956 18818 22646 25996 32786 37636 45292 58357 65572 84487 116714 122317 168974 233428 244634 337948 435433 489268 630403 758641 870866 1098331 1260806 1517282 1590121 1741732 2196662 2521612 3034564 3180242 4393324 5660629 6360484 8195239 11321258 16390478 22642516 32780956 42237001 73588177 84474002 106538107 147176354 168948004 213076214 294352708 426152428 549081013 1098162026 2196324052 7138053169 14276106338 28552212676