Search a number
-
+
28473043536 = 243473138563
BaseRepresentation
bin11010100001001000…
…000010101001010000
32201111100001110220000
4122201020002221100
5431303044343121
621025204050000
72025405606510
oct324110025120
981440043800
1028473043536
1111091322043
125627693900
1328b9c25272
141541729840
15b19a57526
hex6a1202a50

28473043536 has 100 divisors (see below), whose sum is σ = 94182028512. Its totient is φ = 8135152704.

The previous prime is 28473043513. The next prime is 28473043537. The reversal of 28473043536 is 63534037482.

28473043536 is a `hidden beast` number, since 2 + 8 + 4 + 73 + 0 + 43 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28473043491 and 28473043500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28473043537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1560210 + ... + 1578353.

Almost surely, 228473043536 is an apocalyptic number.

It is an amenable number.

28473043536 is an abundant number, since it is smaller than the sum of its proper divisors (65708984976).

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

28473043536 is a wasteful number, since it uses less digits than its factorization.

28473043536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138590 (or 3138575 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 28473043536 in words is "twenty-eight billion, four hundred seventy-three million, forty-three thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 252 324 336 378 432 504 567 648 756 1008 1134 1296 1512 2268 3024 4536 9072 3138563 6277126 9415689 12554252 18831378 21969941 25108504 28247067 37662756 43939882 50217008 56494134 65909823 75325512 84741201 87879764 112988268 131819646 150651024 169482402 175759528 197729469 225976536 254223603 263639292 338964804 351519056 395458938 451953072 508447206 527278584 593188407 677929608 790917876 1016894412 1054557168 1186376814 1355859216 1581835752 1779565221 2033788824 2372753628 3163671504 3559130442 4067577648 4745507256 7118260884 9491014512 14236521768 28473043536