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28076250735654 = 23115328612805443
BaseRepresentation
bin1100110001001000000101…
…11100111010010000100110
310200102001201012001121201120
412120210002330322100212
512140000130142020104
6135414015044034410
75625304444423662
oct630440274722046
9120361635047646
1028076250735654
118a45086659580
123195447692a06
13128876b32a794
146d0c7d74d8a2
1533a4db071cd9
hex198902f3a426

28076250735654 has 64 divisors (see below), whose sum is σ = 62434909340928. Its totient is φ = 8344506684800.

The previous prime is 28076250735563. The next prime is 28076250735713. The reversal of 28076250735654 is 45653705267082.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8605057 + ... + 11410499.

It is an arithmetic number, because the mean of its divisors is an integer number (975545458452).

Almost surely, 228076250735654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28076250735654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31217454670464).

28076250735654 is an abundant number, since it is smaller than the sum of its proper divisors (34358658605274).

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

28076250735654 is a wasteful number, since it uses less digits than its factorization.

28076250735654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808373.

The product of its (nonzero) digits is 84672000, while the sum is 60.

The spelling of 28076250735654 in words is "twenty-eight trillion, seventy-six billion, two hundred fifty million, seven hundred thirty-five thousand, six hundred fifty-four".

Divisors: 1 2 3 6 11 22 33 53 66 106 159 318 583 1166 1749 2861 3498 5722 8583 17166 31471 62942 94413 151633 188826 303266 454899 909798 1667963 2805443 3335926 5003889 5610886 8416329 10007778 16832658 30859873 61719746 92579619 148688479 185159238 297376958 446065437 892130874 1635573269 3271146538 4906719807 8026372423 9813439614 16052744846 24079117269 48158234538 88290096653 176580193306 264870289959 425397738419 529740579918 850795476838 1276193215257 2552386430514 4679375122609 9358750245218 14038125367827 28076250735654