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28096134888 = 2334743157791
BaseRepresentation
bin11010001010101010…
…001111111011101000
32200112001211112102110
4122022222033323220
5430020102304023
620523541402320
72013151130463
oct321252177350
980461745373
1028096134888
1110a08598a98
1255414093a0
132859b0a1b3
1415076562da
15ae6905a93
hex68aa8fee8

28096134888 has 64 divisors (see below), whose sum is σ = 71902494720. Its totient is φ = 9144689600.

The previous prime is 28096134887. The next prime is 28096134919. The reversal of 28096134888 is 88843169082.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28096134887) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 457273 + ... + 515063.

It is an arithmetic number, because the mean of its divisors is an integer number (1123476480).

Almost surely, 228096134888 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 28096134888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35951247360).

28096134888 is an abundant number, since it is smaller than the sum of its proper divisors (43806359832).

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

28096134888 is a wasteful number, since it uses less digits than its factorization.

28096134888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58278 (or 58274 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 57.

The spelling of 28096134888 in words is "twenty-eight billion, ninety-six million, one hundred thirty-four thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 47 94 141 188 282 376 431 564 862 1128 1293 1724 2586 3448 5172 10344 20257 40514 57791 60771 81028 115582 121542 162056 173373 231164 243084 346746 462328 486168 693492 1386984 2716177 5432354 8148531 10864708 16297062 21729416 24907921 32594124 49815842 65188248 74723763 99631684 149447526 199263368 298895052 597790104 1170672287 2341344574 3512016861 4682689148 7024033722 9365378296 14048067444 28096134888