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28340025848 = 2317396752529
BaseRepresentation
bin11010011001001100…
…100111100111111000
32201011001202110220222
4122121030213213320
5431020021311343
621004053035212
72022202150031
oct323114474770
981131673828
1028340025848
1111023229972
1255ab025b08
1328984c1084
14152bbc1a88
15b0d02ea68
hex6993279f8

28340025848 has 32 divisors (see below), whose sum is σ = 56278540800. Its totient is φ = 13332867072.

The previous prime is 28340025841. The next prime is 28340025853. The reversal of 28340025848 is 84852004382.

It is a junction number, because it is equal to n+sod(n) for n = 28340025799 and 28340025808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28340025841) 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 7 ways as a sum of consecutive naturals, for example, 513248 + ... + 565776.

It is an arithmetic number, because the mean of its divisors is an integer number (1758704400).

Almost surely, 228340025848 is an apocalyptic number.

It is an amenable number.

28340025848 is a deficient number, since it is larger than the sum of its proper divisors (27938514952).

28340025848 is a wasteful number, since it uses less digits than its factorization.

28340025848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56519 (or 56515 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 44.

The spelling of 28340025848 in words is "twenty-eight billion, three hundred forty million, twenty-five thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 17 34 68 136 3967 7934 15868 31736 52529 67439 105058 134878 210116 269756 420232 539512 892993 1785986 3571972 7143944 208382543 416765086 833530172 1667060344 3542503231 7085006462 14170012924 28340025848