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28058203782 = 2327268982813
BaseRepresentation
bin11010001000011001…
…100011011010000110
32200102102110102201200
4122020121203122012
5424430400010112
620520104403330
72012210540250
oct321031433206
980372412650
1028058203782
1110999140874
125530776546
132851cb925b
1415025c0cd0
15ae3411cdc
hex688663686

28058203782 has 48 divisors (see below), whose sum is σ = 69504133920. Its totient is φ = 8013551616.

The previous prime is 28058203751. The next prime is 28058203793. The reversal of 28058203782 is 28730285082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297408 + ... + 380220.

It is an arithmetic number, because the mean of its divisors is an integer number (1448002790).

Almost surely, 228058203782 is an apocalyptic number.

28058203782 is an abundant number, since it is smaller than the sum of its proper divisors (41445930138).

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

28058203782 is a wasteful number, since it uses less digits than its factorization.

28058203782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85517 (or 85514 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 28058203782 in words is "twenty-eight billion, fifty-eight million, two hundred three thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 2689 5378 8067 16134 18823 24201 37646 48402 56469 82813 112938 165626 169407 248439 338814 496878 579691 745317 1159382 1490634 1739073 3478146 5217219 10434438 222684157 445368314 668052471 1336104942 1558789099 2004157413 3117578198 4008314826 4676367297 9352734594 14029101891 28058203782