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28483908516 = 22327417934897
BaseRepresentation
bin11010100001110001…
…011111001110100100
32201112002111110211200
4122201301133032210
5431313340033031
621030233002500
72025600141030
oct324161371644
981462443750
1028483908516
1111097473068
12562b253430
1328bc25a74b
141542d571c0
15b1a9a18e6
hex6a1c5f3a4

28483908516 has 144 divisors (see below), whose sum is σ = 85363299840. Its totient is φ = 7839037440.

The previous prime is 28483908499. The next prime is 28483908559. The reversal of 28483908516 is 61580938482.

28483908516 is a `hidden beast` number, since 28 + 483 + 90 + 8 + 51 + 6 = 666.

It is a super-2 number, since 2×284839085162 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 798780 + ... + 833676.

Almost surely, 228483908516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28483908516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42681649920).

28483908516 is an abundant number, since it is smaller than the sum of its proper divisors (56879391324).

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

28483908516 is a wasteful number, since it uses less digits than its factorization.

28483908516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35034 (or 35029 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 28483908516 in words is "twenty-eight billion, four hundred eighty-three million, nine hundred eight thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 41 42 63 79 82 84 123 126 158 164 237 246 252 287 316 369 474 492 553 574 711 738 861 948 1106 1148 1422 1476 1659 1722 2212 2583 2844 3239 3318 3444 4977 5166 6478 6636 9717 9954 10332 12956 19434 19908 22673 29151 34897 38868 45346 58302 68019 69794 90692 104691 116604 136038 139588 204057 209382 244279 272076 314073 408114 418764 488558 628146 732837 816228 977116 1256292 1430777 1465674 2198511 2756863 2861554 2931348 4292331 4397022 5513726 5723108 8270589 8584662 8794044 10015439 11027452 12876993 16541178 17169324 19298041 20030878 24811767 25753986 30046317 33082356 38596082 40061756 49623534 51507972 57894123 60092634 77192164 90138951 99247068 113031383 115788246 120185268 173682369 180277902 226062766 231576492 339094149 347364738 360555804 452125532 678188298 694729476 791219681 1017282447 1356376596 1582439362 2034564894 2373659043 3164878724 4069129788 4747318086 7120977129 9494636172 14241954258 28483908516