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28013482896 = 2437773107857
BaseRepresentation
bin11010000101101110…
…111101001110010000
32200022022022101012120
4122011232331032100
5424332422423041
620511430054240
72011125450540
oct320556751620
980268271176
1028013482896
1110975976363
1255197aa380
13284595b9a9
1414da69d320
15ade52b366
hex685bbd390

28013482896 has 80 divisors (see below), whose sum is σ = 82814235264. Its totient is φ = 7993423872.

The previous prime is 28013482877. The next prime is 28013482919. The reversal of 28013482896 is 69828431082.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205800 + ... + 313656.

Almost surely, 228013482896 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 28013482896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41407117632).

28013482896 is an abundant number, since it is smaller than the sum of its proper divisors (54800752368).

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

28013482896 is a wasteful number, since it uses less digits than its factorization.

28013482896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108648 (or 108642 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 28013482896 in words is "twenty-eight billion, thirteen million, four hundred eighty-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 773 1546 2319 3092 4638 5411 6184 9276 10822 12368 16233 18552 21644 32466 37104 43288 64932 86576 107857 129864 215714 259728 323571 431428 647142 754999 862856 1294284 1509998 1725712 2264997 2588568 3019996 4529994 5177136 6039992 9059988 12079984 18119976 36239952 83373461 166746922 250120383 333493844 500240766 583614227 666987688 1000481532 1167228454 1333975376 1750842681 2000963064 2334456908 3501685362 4001926128 4668913816 7003370724 9337827632 14006741448 28013482896