Search a number
-
+
28524553616 = 2413433189239
BaseRepresentation
bin11010100100001100…
…100010010110010000
32201121220222110102202
4122210030202112100
5431404241203431
621034244102332
72026602463616
oct324414422620
981556873382
1028524553616
1111108404359
1256409949a8
1328c77bbac0
1415484d76b6
15b1e32e8cb
hex6a4322590

28524553616 has 40 divisors (see below), whose sum is σ = 60901727040. Its totient is φ = 12859007616.

The previous prime is 28524553571. The next prime is 28524553699. The reversal of 28524553616 is 61635542582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585676 + ... + 1603563.

It is an arithmetic number, because the mean of its divisors is an integer number (1522543176).

Almost surely, 228524553616 is an apocalyptic number.

28524553616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28524553616 is an abundant number, since it is smaller than the sum of its proper divisors (32377173424).

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

28524553616 is a wasteful number, since it uses less digits than its factorization.

28524553616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189303 (or 3189297 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 47.

The spelling of 28524553616 in words is "twenty-eight billion, five hundred twenty-four million, five hundred fifty-three thousand, six hundred sixteen".

Divisors: 1 2 4 8 13 16 26 43 52 86 104 172 208 344 559 688 1118 2236 4472 8944 3189239 6378478 12756956 25513912 41460107 51027824 82920214 137137277 165840428 274274554 331680856 548549108 663361712 1097098216 1782784601 2194196432 3565569202 7131138404 14262276808 28524553616